Bleaching powder is obtained by the interaction of Cl_2 and:

JEE Main Chemistry question

Bleaching powder is obtained by the interaction of and:

(A)dil. Correct
(B)dry CaO
(C)conc.
(D)Dry slaked lime

Answer: (A)

Solution

Bleaching powder is manufactured by passing chlorine gas over slaked lime, , forming calcium oxychloride: 3Ca(OH)_2 + 2Cl_2 \rightarrow Ca(OCl)_2 \cdot CaCl_2 \cdot Ca(OH)_2 \cdot H_2O (i.e., ). Dry, unslaked CaO (B) must first be

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Question ID VK-138114