JEE Main Chemistry question

Chlorine reacts with 'X' to form bleaching powder. 'X' is [OJEE 2009]

(A)Dry slaked limeCorrect
(B)Sodium hydroxide
(C)Acetone
(D)Chloral

Answer: (A)

Solution

Bleaching powder is manufactured by passing chlorine gas over dry slaked lime: Ca(OH)_2 + Cl_2 \to CaOCl_2 + H_2O. Sodium hydroxide with chlorine instead

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Question ID VK-137658