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प्रश्न
Why nitric acid is not added for acidifying water during electrolysis?
लघु उत्तरीय
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उत्तर
Nitric acid (HNO3) is a volatile acid and a strong oxidizing agent. It decomposes and oxidizes the hydrogen gas liberated at the cathode back into water, interfering with the electrolysis process. Therefore, non-volatile dilute sulphuric acid (H2SO4) is preferred.
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