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) Br2,KBrO3

B) Cl2,KClO3

C) I2,NaIO3

D) Cl2,NaClO3

Show Answer

Answer:

Correct Answer: B

Solution:

3Cl2+6KOHKClO3+5KCl+3H2O KClO3 is used in fire works and safety matches and Cl2 is greenish yellow gas.



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