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2019 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2019
The given plots represent the variation of the concentration of a reactant R with time for two different reactions (i) and (ii). The respective orders...
JEE Main Chemistry Easy
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Q JEE-MAIN 2019
Poly- $\beta$-hydroxybutyrate-co- $\beta$-hydroxyvalerate (PHBV) is a copolymer of $\_\_\_\_$ .
JEE Main Chemistry Easy
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Q JEE MAIN 2019
If a circle of radius R pases through the origin O and intersects the coordinate axes at A and B, then the locus of the...
JEE Main Mathematics Medium
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Q JEE MAIN_2019_
Which of the following is a condensation polymer?
JEE Main Chemistry Medium
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Q JEE MAIN_2019_
The graph between $|\psi|^2$ and r(radial distance) is shown below. This represents i.
JEE Main Chemistry Easy
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Q JEE MAIN 2019
The increasing order of reactivity of the following compounds towards aromatic electrophilic substitution reaction is
JEE Main Chemistry Easy
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Q JEE MAIN 2019
If ${ }^{\mathrm{n}} \mathrm{C}_4,{ }^{\mathrm{n}} \mathrm{C}_5$ and ${ }^{\mathrm{n}} \mathrm{C}_6$ are in A.P., then n can be :
JEE Main Mathematics Easy
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Q JEE MAIN 2019
The number of integral values of $m$ for which the quadratic expression, $(1+2 m) x^2-2(1+3 m) x+4(1+m)$, $x \in R$, is always positive, is:
JEE Main Mathematics Easy
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Q JEE-MAIN 2019
In the following reaction
JEE Main Chemistry Easy
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Q JEE MAIN_2019_
The oxoacid of sulphur that does not contain bond between sulphur atoms is :
JEE Main Physics Medium
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