A) CaOCl2 gives OH-, Cl- and OCl- in aqueous solution
B) Diamond and graphite are allotrops of carbon
C) Bleaching action of Cl2 in moist condition is not permanent
D) Calomel is Hg2Cl2
Correct Answer: C
Solution :
Bleaching action of Cl2 in moist condition is permanent. \[C{{l}_{2}}+{{H}_{2}}O\to HCl+HClO\] \[\frac{HClO\to HCl\text{ }+\text{ }O}{C{{l}_{2}}+\text{ }{{H}_{2}}O\to 2HCl\text{ }+\text{ }O}\] Coloured matter + nascent oxygen ® colourless matter
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