Which of the following reaction(s) gives a gem-dichloride?

C H_{3} C H O

and

P C l_{5}

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C H_{3} C O C H_{3}

and

P C l_{5}

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C H_{2} = C H_{2}

and

C l_{2}

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C H_{2} = C H C l

and

H C l

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Solution

The correct options are
A $C H_{3} C H O$ and $P C l_{5}$
B $C H_{3} C O C H_{3}$ and $P C l_{5}$
D $C H_{2} = C H C l$ and $H C l$
The product of the following reactions are:
(A) The reaction of acetaldehyde with phosphorus pentachloride. $C H_{3} C H O + P C l_{5} \to C H_{3} C H C l_{2} + P O C l_{3}$

(B) The reaction of acetone with phosphorus pentachloride. $C H_{3} C O C H_{3} + P C l_{5} \to C H_{3} C (C l)_{2} C H_{3} + P O C l_{3}$

(C) The reaction between ethylene and chlorine gives vicinal dichloride. $C H_{2} = C H_{2} + C l_{2} \to C H_{2} C l - C H_{2} C l$

(D)The reaction of vinyl chloride with HCl. $C H_{2} = C H C l + H C l \to C H_{3} C H C l_{2}$

Options A, B and D are correct.

Suggest Corrections

Similar questions

H_{2} C = C H - C H_{3} + H C l \to

A, B

C

C H C l = C H C l, C H_{2} = C C l_{2}, a n d C C l_{2} = C H C l .

C H C l = C H C l, C H_{2} = C C l_{2}, a n d C C l_{2} = C H C l .

C H_{3} - C H (C l) - C H_{2} - C H_{2} - C H_{3}

C H_{3} - C H_{2} - C (C l) (C H_{3}) - C H_{3}

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