P-Block Elements Ques 626

Question: A greenish yellow gas reacts with an alkali metal hydroxide to form a halate which can be used in fireworks safety matches. The gas and halate respectively are

Options:

A) $ Br_2,KBrO_3 $

B) $ Cl_2,KClO_3 $

C) $ I_2,NaIO_3 $

D) $ Cl_2,NaCl{{O}_3} $

Show Answer

Answer:

Correct Answer: B

Solution:

$ 3Cl_2+6KOH\to KClO_3+5KCl+3H_2O $ $ KClO_3 $ is used in fire works and safety matches and $ Cl_2 $ is greenish yellow gas.



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