Among the following compounds, the strongest acid is :

H C \equiv C H

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C_{6} H_{6}

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C_{2} H_{6}

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{C H}_{3} O H

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Solution

The correct option is B ${C H}_{3} O H$
${C H}_{3} O H > H C \equiv C H > C_{6} H_{6} > C_{2} H_{6}$
Although all are neutral towards litmus paper, the most acidic among them is methanol. Because the conjugate base formed by the loss of proton from methanol is most stable.

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(C_{6} H_{6})

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(H_{2} O_{2})

C_{6} H_{6} \to C_{6} H_{5} {C H}_{3}

C_{6} H_{6} + A + A l {C l}_{3} ⟶ C_{6} H_{5} C O {N H}_{2}

0.02

277.4 K

C_{6} H_{6} = 278.4 K

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C_{6} H_{6} = 5 K m^{- 1}

C_{6} H_{6} + {H N O}_{3} + H_{2} {S O}_{4} 50^{0} - 60^{0} - ---- \to A S n + H C l - ---- \to B {C H}_{3} C O C l - ----- \to C

C

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