1
COMEDK 2026 Morning Shift
MCQ (Single Correct Answer)
+1
-0

When 2-butyne is treated with dilute $\mathrm{H}_2 \mathrm{SO}_4 / \mathrm{HgSO}_4$, the product formed is:

A

Butanal

B

1-butanol

C

Butanone

D

2-butanol

2
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0
Identify the Alkane (molecular formula $\mathrm{C}_8 \mathrm{H}_{18}$ ) which yields only a single monochloride on Chlorination in the presence of sunlight.
A
2,2,4-Trimethylpentane
B
2,4-Dimethylhexane
C
2,2,3,3 - Tetramethylbutane
D
3,4-Dimethylhexane
3
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0
The number of grams of bromine that will completely react with 5 g of pentene is : [Atomic mass of $\mathrm{Br}=80 \mathrm{u}$ ]
A
22.4 g
B
8.4 g
C
11.4 g
D
54.2 g
4
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following alkene on reductive ozonolysis gives ketones only as the product
A
1, 2-butadiene
B
1, 4-cyclohexadiene
C
But-2-ene
D
2,3-dimethylbut-2-ene

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