CGPET 2019 Solved Paper

Section: Chemistry

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Question : 73 of 150

Marks: +1, -0

Butene- 2

1. Br2

─────▸

2. alc. KOH,Δ

[A]

O3

─────▸

H3+O

[B]
Compounds A and B are

but-1, 3-diene, formaldehyde
allene, formaldehyde
butyne-2, acetic acid
butyne-1, formic acid

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