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Chlorine, bromine and iodine belong to the same group and...

Chlorine, bromine and iodine belong to the same group and

A.

are gaseous at room temperature.

B.

form white precipitate with AgNO_3(aq)

C.

react violently with hydrogen without heating

D.

react with alkali

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Correct answer is D

No explanation has been provided for this answer.

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