MEDIUMMCQ SINGLENEET 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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