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NEET 2014

Exam: NEET
Year: 2014
Subject: Chemistry
Chapter: Ionic Equilibrium

NEET 2014 · Chemistry · Ionic Equilibrium

Which of the following salts will give highest pH in water?

Which of the following salts will give highest

pH

in water?

Options

A $KCl$
B $NaCl$
C $N{a}_{2}C{O}_{3}$
D $CuS{O}_{4}$

Correct answer

C. $N{a}_{2}C{O}_{3}$

Step-by-step solution

N{a}_{2}C{O}_{3}

is basic due to hydrolysis of

C{O}_{3}^{2 -}

ion

C{O}_{3}^{2 -} + {H}_{2}O ⇌ HC{O}_{3}^{-} + O{H}^{-}

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