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.
