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Hell-Volhard-Zelinski Reaction

A ketone reac...

Question

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:

A

dimethyl ketone

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B

ethyl methyl ketone

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C

diethyl ketone

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D

ethyl propyl ketone

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Solution

The correct option is C diethyl ketone

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Similar questions

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:

C_{5} H_{11} O H

on dehydration gives an alkene,
which on oxidative ozonolysis yields a mixture of a ketone and an acid. The alcohol is:

(C_{5} H_{10})

on ozonolysis gave acetaldehyde and acetone as the product. Write IUPAC name of the alkene.

Q. 2.2 g of an alcohol (A) when treated with

C H_{3}

-MgI liberates 560 mL of

C H_{4}

at STP. Alcohol (A) on dehydration followed by ozonolysis gives ketone (B) along with (C). Oxime of ketone (B) contains 19.17% N. (A) on oxidation gives ketone (D) having same number of carbon atom
Structure of ketone (D) is ?

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.

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