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A greenish 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 respectively are 1. Br2 , KBrO3 2. Cl2 , KClO3 3. I2 , NaIO3 4. Cl2 , NaClO3 |
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Answer» Correct option: 2 Cl2 , KClO3 Explanation: 3Cl2 + 6KOH → 5KCl + KClO3 + 3H2O |
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