Short Answer Type
Long Answer TypeShort Answer TypeLong Answer TypeShort Answer TypeArrange benzene, n-hexane and ethyne in decreasing order of acidic behaviour. Also give reason for his behaviour.
Give simple chemical test for the distinction of:
(i) Propyne and propane
(ii) But-1-yne and But-2-yne.
(i) Propyne and propane: Add a cold, dilute alkaline KMnO4 solution to each compound and shake it well. Propyne will decolourise the pink colour of KMnO4 while propane does not.
(iii) But-1-yne and But-2-yne: Add few drops of an ammoniacal solution of silver nitrate to each compound and warm. But-1-yne will give white precipitate while but-2-yne does not.
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