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Question

A ketone (A) forms iodoform when it reacts with I2+NaOH. (A) on reduction with NaBH4 gives (B) which on heating with H2SO4 gives (C). (C) on reductive ozonolysis gives acetaldehyde and acetone.

A
(B) gives a positive iodoform test
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B
(A) gives a red color with sodium nitroprusside
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C
(A) when treated with Caro’s acid, gives isopropyl acetate
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D
(C) on reaction with aqueous HCl will give 2-methylbutan-2-ol
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Solution

The correct options are
A (B) gives a positive iodoform test
B (A) gives a red color with sodium nitroprusside
C (A) when treated with Caro’s acid, gives isopropyl acetate
D (C) on reaction with aqueous HCl will give 2-methylbutan-2-ol

(a) (B) gives positive iodoform test.

(b) Methyl ketones give a red colour with sodium nitroprusside.

(c)

(d)

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