Which of the acids dilute sulphuric, concentrated sulphuric, dilute nitric and concentrated nitric would you choose for the preparation of hydrogen? Explain why you would not use the acids you reject.

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Solution

Hydrogen can be made by the reaction of any active metal like $M g$ or $Z n$ with a strong acid such as hydrochloric acid and sulfuric acids. Nitric acid does not form hydrogen with metal instead nasty brown fumes of nitrogen dioxide is formed.

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Similar questions

Hydrogen may be prepared in the laboratory by the action of a metal on an acid.

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Q. Sulphuric acid can be used In the laboratory to prepare the following substances :
(a) Hydrogen (b) Carbon dioxide
(c) Carbon monoxide (d) Sulphur dioxide
(e) Hydrogen chloride (f) Hydrogen sulphide
(g) Nitric acid.
1. Derive a balanced equation for each of the shove preparation.
2. In which of the reactions would you use (give numbers only): (i) Dilute Sulphuric acid, (ii) Sulphuric acid.
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Why is dilute sulphuric acid used in place of concentrated sulphuric acid to prepare copper sulphate?

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Which of the acids dilute sulphuric, concentrated sulphuric, dilute nitric and concentrated nitric would you choose for the preparation of hydrogen? Explain why you would not use the acids you reject.

Hydrogen can be made by the reaction of any active metal like Mg or Zn with a strong acid such as hydrochloric acid and sulfuric acids. Nitric acid does not form hydrogen with metal instead nasty brown fumes of nitrogen dioxide is formed.

Hydrogen can be made by the reaction of any active metal like $M g$ or $Z n$ with a strong acid such as hydrochloric acid and sulfuric acids. Nitric acid does not form hydrogen with metal instead nasty brown fumes of nitrogen dioxide is formed.