1
JEE Advanced 2022 Paper 2 Online
Numerical
+3
-1
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The number of isomeric tetraenes (NOT containing $s p$-hybridized carbon atoms) that can be formed from the following reaction sequence is ___________.

JEE Advanced 2022 Paper 2 Online Chemistry - Hydrocarbons Question 4 English
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2
JEE Advanced 2022 Paper 2 Online
Numerical
+3
-1
Change Language
The number of $-\mathrm{CH}_{2}-$ (methylene) groups in the product formed from the following reaction sequence is _________.

JEE Advanced 2022 Paper 2 Online Chemistry - Hydrocarbons Question 3 English
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3
JEE Advanced 2022 Paper 2 Online
Numerical
+3
-1
Change Language
The total number of chiral molecules formed from one molecule of $\mathbf{P}$ on complete ozonolysis $\left(\mathrm{O}_{3}, \mathrm{Zn} / \mathrm{H}_{2} \mathrm{O}\right)$ is _________.

JEE Advanced 2022 Paper 2 Online Chemistry - Hydrocarbons Question 2 English
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4
JEE Advanced 2022 Paper 2 Online
MCQ (More than One Correct Answer)
+4
-2
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To check the principle of multiple proportions, a series of pure binary compounds $\left(\mathrm{P}_{\mathrm{m}} \mathrm{Q}_{\mathrm{n}}\right)$ were analyzed and their composition is tabulated below. The correct option(s) is(are)

Compound Weight % of $\mathrm{P}$ Weight % of $\mathrm{Q}$
1 50 50
2 44.4 55.6
3 40 60
A
If empirical formula of compound 3 is $P_{3} Q_{4}$, then the empirical formula of compound 2 is $\mathrm{P}_{3} \mathrm{Q}_{5}$.
B
If empirical formula of compound 3 is $\mathrm{P}_{3} \mathrm{Q}_{2}$ and atomic weight of element $\mathrm{P}$ is 20 , then the atomic weight of $\mathrm{Q}$ is 45 .
C
If empirical formula of compound 2 is $P Q$, then the empirical formula of the compound $\mathbf{1}$ is $\mathrm{P}_{5} \mathrm{Q}_{4}$.
D
If atomic weight of $\mathrm{P}$ and $\mathrm{Q}$ are 70 and 35 , respectively, then the empirical formula of compound $\mathbf{1}$ is $\mathrm{P}_{2} \mathrm{Q}$.
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