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JEE · NEET Previous Year Question

$The correct order for acid strength of compounds CH \equiv CH, CH_{2} - C \equiv CH and CH_{2} = CH_{2}$

Topic: JEE PYQ

Answer: D. Full step-by-step solution below.

A $CH \equiv CH > CH_{2} = CH_{2} > CH_{3} - C \equiv CH$
B $CH_{3} - C \equiv CH > CH \equiv CH > CH_{2} = CH_{2}$
C $CH_{3} - C \equiv CH > CH_{2} = CH_{2} > HC \equiv CH$
D $HC \equiv CH > CH_{3} - C \equiv CH > CH_{2} = CH_{2}$

Correct answer: D

Solution

(d) Order of acidic strength is CH \equiv CH > CH_{3} - C \equiv CH > CH_{2} = CH_{2}

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