Contact us
Back

Report Issue

2019 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE Main 2019
The metal used for making X-ray tube window is
JEE Main Chemistry Easy
View Solution →
Q JEE Main 2019
Wilkinson catalyst is $\left(\mathrm{Et}=\mathrm{C}_2 \mathrm{H}_5\right)$
JEE Main Chemistry Easy
View Solution →
Q JEE Main 2019
The type of hybridisation and number of lone pair(s) of electrons of $X e$ in $X e O F_4$, respectively, are
JEE Main Chemistry Easy
View Solution →
Q JEE Main 2019
If dichloromethane (DCM) and water $\left(\mathrm{H}_2 \mathrm{O}\right)$ are used for differential extraction, which one of the following statements is correct?
JEE Main Chemistry Medium
View Solution →
Q JEE Main 2019
Liquids $A$ and $B$ form an ideal solution in the entire composition range. At 350 K , the vapor pressures of pure A and pure...
JEE Main Chemistry Easy
View Solution →
Q JEE Main 2019
The values of $\frac{K_p}{K_c}$ for the following reactions at 300 K are, respectively (At $300 \mathrm{~K}, \mathrm{RT}=24.62 \mathrm{dm}^3 \mathrm{~atm} \mathrm{~mol}^{-1}$ ) $$ \begin{aligned} & \mathrm{N}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g})...
JEE Main Chemistry Medium
View Solution →
Q JEE Main 2019
The electronegativity of aluminium is similar to
JEE Main Chemistry Easy
View Solution →
Q JEE Main 2019
Consider the given plots for a reaction obeying Arrhenius equation $\left(0^{\circ} \mathrm{C}<\mathrm{T}<300^{\circ} \mathrm{C}\right)$ : ( k and $\mathrm{E}_{\mathrm{a}}$ are rate constant and activation energy, respectively)
...
JEE Main Chemistry Easy
View Solution →
Q JEE Main 2019
Consider the following reduction processes: $$ \begin{aligned} & \mathrm{Zn}^2++2 \mathrm{e}^{-} \rightarrow \mathrm{Zn}(\mathrm{~s}) ; \mathrm{E}^{\circ}=-0.76 \mathrm{~V} \\ & \mathrm{Ca}^{2+}+2 \mathrm{e}^{-} \rightarrow \mathrm{Ca}(\mathrm{~s}) ; \mathrm{E}^{\circ}=-2.87 \mathrm{~V} \\...
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2019
Let $x, y$ be positive real numbers and $m, n$ positive integers. The maximum value of the expression $\frac{x^m y^n}{\left(1+x^{2 m}\right)\left(1+y^{2 n}\right)}$ is
JEE Main Mathematics Medium
View Solution →