blairxberry blairxberry

14-03-2021
Chemistry

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Give reasons :
Concentrated H2SO4 cannot be used instead of dilute H2SO4 in laboratory preparation of hydrogen gas why ?

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sarah5968 sarah5968

14-03-2021

Because concentrated sulfuric acid is a strong oxidizer, so it has to be in water to react with metals and produce hydrogen properly. Sometimes dilute sulfuric acid is used, but that is another story

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