Question

नीका 1
11 pH of pure water is changed on addition
of CH3COONa. It is
a >7
ph b <7
c) equal to 7
d) all of them correct
e) none of these
C​

Answer 1

Explanation:

we know pH of acids are lesser than 7

and pH of bases are greater than 7.

now CH3COONa is formed by CH3COOH + NAOH

as we know that acetic is a weak acid and NAOH is a strong base

therfore on reacting them we get CH3COONA which is an basic salt.

So the answer to( pH of pure water is changed on additionof CH3COONa. is. option b pH will be greater than 7

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