A ketone (A) forms iodoform when it reacts with $I_{2} + N a O H$ . (A) on reduction with $N a B H_{4}$ gives (B) which on heating with $H_{2} S O_{4}$ gives (C). (C) on reductive ozonolysis gives acetaldehyde and acetone.

(B) gives a positive iodoform test

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

(A) gives a red color with sodium nitroprusside

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

(A) when treated with Caro’s acid, gives isopropyl acetate

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

H C l

will give 2-methylbutan-2-ol

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D (C) on reaction with aqueous $H C l$ will give 2-methylbutan-2-ol

(a) (B) gives positive iodoform test.

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

(c)

(d)

Suggest Corrections

Similar questions

Q. A ketone (A) forms iodoform when it reacts with

I_{2} + N a O H

. (A) on reduction with

N a B H_{4}

gives (B) which on heating with

H_{2} S O_{4}

gives (C). (C) on reductive ozonolysis gives acetaldehyde and acetone.

Q. A ketone A

(C_{4} H_{8} O)

, which undergoes haloform reaction gives compound B on reduction. B on heating with sulphuric acid gives a compound C which forms mono-ozonide D. D on hydrolysis in presence of zinc dust gives only acetaldehyde E. Identify A, B, C, D and E. Write the reactions involved.

Q. A compound

(A)

when treated with one mole of

C H_{3} M g B r

in ether followed by hydrolysis gives product

(B)

which upon treatment with conc.

H_{2} S O_{4}

furnishes a olefin. Reductive ozonolysis of said olefin produces a ketone which gives positive iodoform test. Structure of

A

is:

Cyclohexene on reductive ozonolysis gives compound B. Compound 'B' on further treatment with aqueous NaOH followed by heating yields compound 'C'. The compound 'C' is:

Q. A ketone reacted with

C_{2} H_{5} M g B r

reagent followed by hydrolysis gave a product which on dehydration gives an alkene. The alkene on ozonolysis gave diethyl ketone and acetaldehyde. The ketone is:

Join BYJU'S Learning Program

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.

The correct option is 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)

A ketone (A) forms iodoform when it reacts with $I_{2} + N a O H$ . (A) on reduction with $N a B H_{4}$ gives (B) which on heating with $H_{2} S O_{4}$ gives (C). (C) on reductive ozonolysis gives acetaldehyde and acetone.

The correct option is D (C) on reaction with aqueous $H C l$ will give 2-methylbutan-2-ol

(a) (B) gives positive iodoform test.

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

(c)

(d)