SATHEE: Chemical and Ionic Equilibrium 2 Question 20

Chemical and Ionic Equilibrium 2 Question 20

20. The $pH$ of $0.1 M$ solution of the following salts increases in the order

$(1999, 2 M)$

(a) $NaCl < {NH}_{4} Cl < NaCN < HCl$

(b) $HCl < {NH}_{4} Cl < NaCl < NaCN$

(d) $HCl < NaCl < NaCN < {NH}_{4} Cl$

Chemical and Ionic Equilibrium

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Solution:

$NaCN$ is basic salt, has highest $pH$ while $HCl$ has lowest $pH$ . $NaCl$ is neutral salt has $pH = 7$ while ${NH}_{4} Cl$ is acidic salt, has $pH$ less than 7.

$pH : HCl < {NH}_{4} Cl < NaCl < NaCN$

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Chemical and Ionic Equilibrium 2 Question 20

20. The pH of 0.1M solution of the following salts increases in the order

Chemical and Ionic Equilibrium

Solution:

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20. The $pH$ of $0.1 M$ solution of the following salts increases in the order