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  4. A white substance having alkaline nature in solution is:

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Q. A white substance having alkaline nature in solution is:

Bihar CECEBihar CECE 2006Equilibrium

Solution:

$Na _{2} CO _{3}$, on hydrolysis gives alkaline solution, as the solution contains strong base and weak acid.
$\underset{\text { white }}{ Na _{2} CO _{3}}{\stackrel{2 H _{2} O }{\longrightarrow }} \underset{\text { strong base }}{2 NaOH }+\underset{\text { weak acid }}{ H _{2} CO _{3}}$