Q.

Which of the following is not correct for red phosphorus?

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a

White phosphorus changes to red phosphorus by heating it at 573 K for several hours in inert atmosphere

b

Red phosphorus has lustre of rust of iron

c

It is soluble in water and CS2 both

d

It is odourless and non-poisonous

answer is C.

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Detailed Solution

Red phosphorus is insoluble in water as well as CS2 both.
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