Q JEE Advance 2019

Answer the following by appropriately matching the lists based on the information given in the paragraph. In a thermodynamic process...

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Q JEE Advance 2019

Answer the following by appropriately matching the lists based on the information given in the paragraph List-I includess starting materials...

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Q JEE Advance 2019

Answer the following by appropriately matching the lists based on the information given in the paragraph. In a thermodynamics process...

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Q JEE Advance 2019

Answer the following by appropriately matching the lists based on the information given in the paragraph List-I includess starting materials...

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Q JEE Advance 2019

Answer the following by appropriately matching the lists based on the information given in the paragraph Consider the Bohr's model...

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Q JEE Advance 2019

The mole fraction of urea in an aqueous urea solution containing 900 g of water is 0.05 . If the...

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Q JEE Advance 2019

Total number of hydroxyl groups present in a molecule of the major product P is ___

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Q JEE Advance 2019

Answer the following by appropriately matching the lists based on the information given in the paragraph. A musical instrument is...

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Q JEE Advance 2019

Suppose a ${ }_{88}^{226} \mathrm{Ra}$ nucleus at rest and in ground state undergoes $\alpha$-decay to a ${ }_{86}^{222} \mathrm{Rn}$ nucleus...

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Q JEE Advance 2019

Total number of hydroxyl groups present in a molecule of the major product P is ___

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A monochromatic light is incident from air on a refracting surface of a prism of angle $75^{\circ}$ and refractive index...

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Q JEE Advance 2019

At 143 K . the reaction of $\mathrm{XeF}_4$ with $\mathrm{O}_2 \mathrm{~F}_2$ produces a xenon compound $\mathbf{Y}$. The total number of...

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Q JEE Advance 2019

Scheme 1 and 2 describe the conversion of P to Q and R to S, respectively. Scheme 3 describes the...

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Q JEE Advance 2019

On dissolving 0.5 g of a non-volatile non-ionic solute to 39 g of benzene, its vapor pressure decreases from 650...

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Q JEE Advance 2019

Consider the kinetic data given in the following table for the reaction $\mathrm{A}+\mathrm{B}+\mathrm{C} \rightarrow$ Product.

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Q JEE Advance 2019

Among $\mathrm{B}_2 \mathrm{H}_6, \mathrm{~B}_3 \mathrm{~N}_3 \mathrm{H}_6, \mathrm{~N}_2 \mathrm{O}, \mathrm{N}_2 \mathrm{O}_4, \mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_3$ and $\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_8$, the total number...

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Q JEE Advance 2019

For the following reaction, the equilibrium constant $\mathrm{K}_{\mathrm{c}}$ at 298 K is $1.6 \times 10^{17}$. $$ \mathrm{Fe}^{2+}(\mathrm{aq})+\mathrm{S}^{2-}(\mathrm{aq}) \rightleftharpoons \mathrm{FeS}(\mathrm{~s}) $$...

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Q JEE Advance 2019

A ball is thrown from ground at an angle $\theta$ with horizontal and with an initial speed $\mathrm{u}_0$. For the...

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Q JEE Advance 2019

Choose the reaction(s) from the following options, for which the standard enthalpy of reaction is equal to the standard enthalpy...

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Q JEE Advanced 2019

Answer the following by appropriately matching the lists based on the information given in the paragraph Let $...

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Q JEE Advance 2019

Each of the following options contains a set of four molecules. Identify the option(s) where all four molecules possess permanent...

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Q JEE Advance 2019

A perfectly reflecting mirror of mass $M$ mounted on a spring constitutes a spring-mass system of angular frequency $\Omega$ such...

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Q JEE Advance 2019

Choose the correct option(s) for the following set of reactions $...

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Q JEE Advance 2019

A tin chloride $\mathbf{Q}$ undergoes the following reactions (not balanced) $$ \begin{aligned} & \mathbf{Q}+\mathrm{Cl}^{-} \rightarrow \mathbf{X} \\ & \mathbf{Q}+\mathrm{Me}_3 \mathrm{~N}...

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Q JEE Advance 2019

Total number of cis $\mathrm{N}-\mathrm{Mn}-\mathrm{Cl}$ bond angles (that is, $\mathrm{Mn}-\mathrm{N}$ and $\mathrm{Mn}-\mathrm{Cl}$ bonds in cis positions) present in a molecule...

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Q JEE Advance 2019

The amount of water produced (in g ) in the oxidation of 1 mole of rhombic sulphur by conc. $\mathrm{HNO}_3$...

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Q JEE Advance 2019

In a Young's double slit experiment, the slit separation d is 0.3 mm and the screen distance D is 1...

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Q JEE Advance 2019

Total number of isomers, considering both structural and stereoisomers, of cyclic ethers with the molecular formula $\mathrm{C}_4 \mathrm{H}_8 \mathrm{O}$ is...

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Q JEE Advance 2019

The decomposition reaction $2 \mathrm{~N}_2 \mathrm{O}_5(\mathrm{~g}) \xrightarrow{\Delta} 2 \mathrm{~N}_2 \mathrm{O}_4(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g})$ is started in a closed cylinder under isothermal isochoric condition...

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Q JEE Advance 2019

Choose the correct option(s) for the following reaction sequence

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Q JEE Advance 2019

Three glass cylinders of equal height $\mathrm{H}=30 \mathrm{~cm}$ and same refractive index $\mathrm{n}=1.5$ are placed on a horizontal surfaces shown...

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Q JEE Advance 2019

Choose the correct option(s) from the following

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Q JEE Advance 2019

With reference to aqua regia, choose the correct option(s).

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Q JEE Advance 2019

A small particle of mass $m$ moving inside a heavy, hollow and straight tube along the tube axis undergoes elastic...

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Q JEE Advanced 2019

A liquid at 30°C is poured very slowly into a Calorimeter that is at temperature of 110°C. The boiling temperature...

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Q JEE Advanced 2019

A train S1, moving with a uniform velocity of $108 \mathrm{~km} / \mathrm{h}$, approaches another train S2 standing on a...

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Q JEE ADVANCE 2019

Let $\omega \neq 1$ be a cube root of unity. Then the minimum of the set $$ \left\{\left|\mathrm{a}+\mathrm{b} \omega+\mathrm{c} \omega^2\right|^2:...

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Q JEE Advance 2019

Consider the following reactions (unbalanced) $$ \begin{aligned} & \mathrm{Zn}+\text { hot conc. } \mathrm{H}_2 \mathrm{SO}_4 \rightarrow \mathrm{G}+\mathrm{R}+\mathrm{X} \\ & \mathrm{Zn}+\text...

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Q JEE Advanced 2019

A parallel plate capacitor of capacitance C has spacing d between two plates having area A . The region between...

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Q JEE ADVANCE 2019

Three lines are given by $$ \begin{aligned} & \overrightarrow{\mathrm{r}}=\lambda \hat{\mathrm{i}}, \lambda \in \mathbb{R} \\ & \overrightarrow{\mathrm{r}}=\mu(\hat{\mathrm{i}}+\hat{\mathrm{j}}), \mu \in \mathbb{R} \text...

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Q JEE ADVANCE 2019

Let S be the sample space of all $3 \times 3$ matrices with entries from the set $\{0,1\}$. Let the...

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Q JEE Advanced 2019

A particle is moved along a path AB-BC-CD-DE-EF-FA, as shown in figure, in presence of a force $...

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Q JEE Advanced 2019

A planar structure of length L and width W is made of two different optical media of refractive indices $\mathrm{n}_1=1.5$...

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Q JEE Advanced 2019

A block of weight 100 N is suspended by copper and steel wires of same cross sectional area $0.5 \mathrm{~cm}^2$...

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Q JEE Advanced 2019

A charged shell of radius $R$ carries a total charge $Q$. Given $\Phi$ as the flux of electric field through...

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Q JEE Advance 2019

Choose the correct option(s) that give(s) an aromatic compound as the major product.

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Q JEE Advance 2019

The ground state energy of hydrogen atom is -13.6 eV . Consider an electronic state $\Psi$ of $\mathrm{He}^{+}$whose energy, azimuthal...

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Q JEE Advance 2019

Which of the following statement(s) is(are) true ?

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Q JEE Advance 2019

Which of the following reactions produce(s) propane as a major product?

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Q JEE ADVANCE 2019

Let $\mathrm{AP}(\mathrm{a} ; \mathrm{d})$ denote the set of all the terms of an infinite arithmetic progression with first terma and...

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Q JEE ADVANCE 2019

Let the point B be the reflection of the point $\mathrm{A}(2,3)$ with respect to the line $8 \mathrm{x}-6 \mathrm{y}-23=0$. Let...

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Q JEE Advance 2019

The cyanide process of gold extraction involves leaching out gold from its ore with $\mathrm{CN}^{-}$in the presence of $\mathbf{Q}$ in...

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Q JEE Advance 2019

In the decay sequence : $$ { }_{92}^{238} \mathrm{U} \xrightarrow{-\mathrm{x}_l}{ }_{90}^{234} \mathrm{Th} \xrightarrow{-\mathrm{x}_l}{ }_{91}^{234} \mathrm{~Pa} \xrightarrow{-\mathrm{x}_l}{ }^{234} \mathrm{Z} \xrightarrow{-\mathrm{x}_l}{ }_{90}^{234}...

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Q JEE ADVANCE 2019

If $$ I=\frac{2}{\pi} \int_{-\pi / 4}^{\pi / 4} \frac{d x}{\left(1+e^{\sin x}\right)(2-\cos 2 x)} $$ then $27 \mathrm{I}^2$ equals $\_\_\_\_$

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Q JEE Advanced 2019

Two identical moving coil galvanometer have $10 \Omega$ resistance and full scale deflection at $2 \mu \mathrm{~A}$ current. One of...

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Q JEE ADVANCE 2019

Let $\mathrm{L}_1$ and $\mathrm{L}_2$ denotes the lines $$ \begin{aligned} & \overrightarrow{\mathrm{r}}=\hat{\mathrm{i}}+\lambda(-\hat{\mathrm{i}}+2 \hat{\mathrm{j}}+2 \hat{\mathrm{k}}), \lambda \in \mathbb{R} \text { and }...

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Q JEE Advance 2019

Which of the following statement(s) is (are) correct regarding the root mean square speed ( $\mathrm{U}_{\mathrm{ms}}$ ) and average translational...

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Q JEE Advance 2019

Fusion of $\mathrm{MnO}_2$ with KOH in presence of $\mathrm{O}_2$ produces a salt $\mathbf{W}$. Alkaline solution of $\mathbf{W}$ upon eletrolytic oxidation...

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Q JEE ADVANCE 2019

In a non-right-angled triangle $\triangle P Q R$, let $p, q, r$ denote the lengths of the sides opposite to...

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Q JEE Advanced 2019

Let us consider a system of units in which mass and angular momentum are dimensionless. If length has dimension of...

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Q JEE ADVANCE 2019

Let $\Gamma$ denote a curve $y=y(x)$ which is in the first quadrant and let the point $(1,0)$ lie on it....

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Q JEE Advance 2019

A mixture of ideal gas containing 5 moles of monatomic gas and 1 mole of rigid diatomic gas is initially...

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Q JEE ADVANCE 2019

Let $\alpha$ and $\beta$ be the roots of $x^2-x-1=0$, with $\alpha>\beta$. For all positive integers $n$, define $$ \begin{aligned} &...

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Q JEE Advanced 2019

One mole of a monoatomic ideal gas goes through a thermodynamic cycle, as shown in the volume versus temperature (V-T)...

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Q JEE ADVANCE 2019

Let $f: \mathbb{R} \rightarrow \mathbb{R}$ be given by $$ f(x)=\left\{\begin{array}{rc} x^5+5 x^4+10 x^3+10 x^2+3 x+1, & x

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Q JEE Advanced 2019

In a radioactive sample, ${ }_{19}^{40} \mathrm{~K}$ nuclei either decay into stable ${ }_{20}^{40} \mathrm{Ca}$ nuclei with decay constant $...

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Q JEE Advanced 2019

Consider a spherical gaseous cloud of mass density r(r) in free space where r is the radial distance from its...

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Q JEE Advance 2019

The green colour produced in the borax bead test of a chromium(III) salt is due to -

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Q JEE Advanced 2019

A thin spherical insulating shell of radius $R$ carries a uniformly distributed charge such that the potential at its surface...

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Q JEE ADVANCE 2019

Let $M=\left[\begin{array}{lll}0 & 1 & a \\ 1 & 2 & 3 \\ 3 & b & 1\end{array}\right]$ and $...

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Q JEE Advance 2019

Calamine, malachite, magnetite and cryolite, respectively are (1) $\mathrm{ZnSO}_4, \mathrm{CuCO}_3, \mathrm{Fe}_2 \mathrm{O}_3, \mathrm{AlF}_3$ (2) $...

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Q JEE ADVANCE 2019

Define the collections $\left\{\mathrm{E}_1, \mathrm{E}_2, \mathrm{E}_3, \ldots ..\right\}$ of ellipses and $\left\{\mathrm{R}_1, \mathrm{R}_2, \mathrm{R}_3, \ldots ..\right\}$ of rectangles as follows...

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Q JEE Advance 2019

The correct order of acid strength of the following carboxylic acids is -

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Q JEE ADVANCE 2019

The area of the region $\left\{(x, y): x y \leq 8,1 \leq y \leq x^2\right\}$ is

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Q JEE ADVANCE 2019

There are three bags $\mathrm{B}_1, \mathrm{~B}_2$ and $\mathrm{B}_3$. The bag $\mathrm{B}_1$ contains 5 red and 5 green balls, $\mathrm{B}_2$ contains...

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Q JEE Advanced 2019

A current carrying wire heats a metal rod. The wire provides a constant power (P) to the rod. The metal...

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Q JEE ADVANCE 2019

Let $S$ be the set of all complex numbers $z$ satisfying $|z-2+i| \geq \sqrt{5}$. If the complex number $z_0$ is...

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Q JEE_ADVANCE_2019

A line $y=m x+1$ intersects the circle $(x-3)^2+(y+2)^2=25$ at the points $P$ and $Q$. If the midpoint of the line...

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Q JEE ADVANCE 2019

Let $$ M=\left[\begin{array}{ccc} \sin ^4 \theta & -1-\sin ^2 \theta & \mid=\alpha I+\beta M \\ \left\lfloor\mid 1+\cos ^2 \theta\right. &...

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