1
WB JEE 2025
MCQ (Single Correct Answer)
+1
-0.25
Change Language

An optically active alkene having molecular formula $\mathrm{C}_8 \mathrm{H}_{16}$ gives acetone as one of the products on ozonolysis. The structure of the alkene is

A
B
C
D
2
WB JEE 2025
MCQ (Single Correct Answer)
+1
-0.25
Change Language

$360 \mathrm{~cm}^3$ of a hydrocarbon diffuses in 30 minutes, while under the same conditions $360 \mathrm{~cm}^3$ of $\mathrm{SO}_2$ gas diffuses in one hour. The molecular formula of the hydrocarbon is

A
$\mathrm{CH}_4$
B
$\mathrm{C}_2 \mathrm{H}_6$
C
$\mathrm{C}_2 \mathrm{H}_4$
D
$\mathrm{C}_2 \mathrm{H}_2$
3
WB JEE 2025
MCQ (Single Correct Answer)
+1
-0.25
Change Language

The number of terminal and bridging hydrogens in $\mathrm{B}_2 \mathrm{H}_6$ are respectively

A
4 and 2
B
2 and 4
C
2 and 2
D
4 and 4
4
WB JEE 2025
MCQ (Single Correct Answer)
+1
-0.25
Change Language

The major product (F) in the following reaction is

A
$\underline{o}$-Anisidine
B
  $\underline{m}$-anisidine
C
$\underline{p}$-Anisidine
D
$\underline{p}$-Chloro aniline
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