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Consider the following reactions : A Ag 2 O Δ ppt Hg 2+ /H + B C NaBH 4 ZnCl 2 conc. HCl Turbidity within 5 minutes 'A' is :

1. CH 3 –C ≡ CH
2. CH 2 =CH 2
3. CH 3 –C ≡ C–CH 3
4. CH ≡ CH

Correct answer: CH 3 –C ≡ CH

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