MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic Chemistryp -Block Elements (group 15-18)Previous Year Questions
A green yellow gas reacts with an alkali metal hydroxide to form a halite which can be used in fireworks and safety matches. The gas and halite are, respectively (AIIMS 2019)
A.Br₂ , KBrO₃
B.Cl₂, KClO₃✓ Correct
C.I₂ , NaIO₃
D.Cl₂ , NaClO₃
Explanation
A halite will be formed from halogen and the greenish yellow gas is Cl₂ the halite which is used in fireworks and safety matches is KCIO₃. . The reaction is as follow: 3Cl₂ + 6KOH → KCIO₃ + 5KCl + 3H₂O
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