KVPY SA Exam 2014 Question Paper

Question : 38 of 80

Marks: +1, -0

The pH of 0.1 M aqueous solutions of NaCl,

CH_3COONa

and

NH_4CI

will follow the order

Solution:

\table \Order \of \pH;\less \than 7 ,,\pH = 7,, \more \than 7 ;\NH_4\Cl,< ,\NaCl ,< ,\CH_3\COONa; \Salt \of \strong ,,\Salt \of \strong ,,\Salt \of \strong ;\acid + \weak \base ,,\acid + \strong \base,, \base + \weak \acid

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