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Preparation of Hydrogen from Cold Water and Metals

Question 14 ....

Question

Question 14.
Which of the following statements is correct about an aqueous solution of an acid and a base?
(i) Higher the pH, stronger the acid
(ii) Higher the pH, weaker the acid
(iii) Lower the pH, stronger the base
(iv) Lower the pH, weaker the base

Choose the correct option from the following:
(a) (i) and (iii)
(b) (ii) and (iii)
(c) (i) and (iv)
(d) (ii) and (iv)

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Solution

Higher the pH, stronger is the base and weaker the acid.
Lower the pH, stronger is the acid and weaker the base.
Hence, the correct answer is option (d).

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Preparation of Hydrogen from Cold Water and Metals

Standard IX Chemistry

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