The solution of ${N a}_{2} {C O}_{3}$ has $p H$

greater than

7

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less than

7

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equal to

7

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equal to zero

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Solution

The correct option is D greater than $7$
${N a}_{2} {C O}_{3}$ is the salt of strong base and weak acid
${N a}_{2} {C O}_{3} + 2 H_{2} O ⟶ 2 N a O H s t r o n g b a s e + H_{2} {C O}_{3} w e a k a c i d$
Hence, the solution of ${N a}_{2} {C O}_{3}$ has $p H$ greater than $7$ .

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Similar questions

Give one example each of a salt which gives an aqueous solution having :

(a) pH less than 7

(b) pH equal to 7

p H

p H

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