Question

convert propanone to idoform​

Answer 1

(a)

i) Propanone to Propan-2-ol

CH

3

−

O

∣∣

C

−

CH

3

Na/alcohol

CH

3

−

OH

∣

CH

−

CH

3

ii) Ethanal to 2-Hyroxypropanoic acid

CH

3

−

H

∣

C

=

O

H

+

.CN

CH

3

−

H

∣

C

∣

CN

−

OH

H

+

H

2

O

CH

3

−

OH

∣

CH

−

COOH

iii) Toluene to benzoic acid (ref. image )

(b)

i) Pentan-2-one and Pentan-3-one

CH

3

−

O

∣∣

C

−

CH

2

−

CH

2

−

CH

3

and

CH

3

−

CH

2

−

O

∣∣

C

−

CH

2

−

CH

3

By Iodoform Test

Pentan-2-one being a methyl ketone when treated with NaOl (I

2

/NaOH) gives yellow precipitate of iodoform but pentan-3-one does

Answer 2

Explanation:

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