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Chlorides of Phosphorus

Which of the ...

Question

Which of the following converts acetic acid to acetyl chloride?

A

N a C l

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B

H C l

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C

C l_{2} /

Red

P

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D

P C l_{3}

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Solution

The correct option is B $P C l_{3}$
$C H_{3} C O O H + N a C l \to C H_{3} C O O N a + H C l$
$C H_{3} C O O H + H C l \to C H_{3} C O O C l + H_{2} O$
$C H_{3} C O O H + C l_{2} \to C H_{2} C l C O O H + H C l$
$3 C H_{3} C O O H + P C l_{3} \to C H_{3} C O C l + H_{3} P O_{3}$
It is clear from the reaction that only $P C l_{3}$ among the reactants converts acetic acid into acetyl chloride.

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Similar questions

Q. The reagent that gives an acid chloride on treatement with a carboxylic acid is

P C l_{5}, P C l_{3}, S O C l_{2}, R e d P + C l_{2}

Q. Give the correct order of initials T or F for following statements. Use T if statement is true and F if it is false.
(a)

S O C l_{2}, P C l_{3}

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all converts an alcohol into alkyl halide
(b) Mechanism of all the three reagent are identical
(c) A mechanism for

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are identical but different mechanism is followed in case of HCl
(d) They all are used commercially to convert acetic acid into acetyl chloride.

Q. Give the correct order of initials T or F for following statements. Use T if statement is true and F if it is false.
(a)

S O C l_{2}, P C l_{3}

H C l

convert an alcohol into alkyl halide.
(b) Mechanism of all these reagents are identical.
(c) Mechanism for

S O C l_{2}

P C l_{3}

are identical but different mechanism is followed in case of

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.
(d) They all are used commercially to convert acetic acid into acetyl chloride.

Q. Acetyl chloride cannot be obtained from acetic acid with

Q. Acetyl chloride cannot be obtained by treating acetic acid with:

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