The solution of N a 2 C O 3 has pH

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Question: Answered & Verified by Expert

The solution of

N a_{2} C O_{3}

has

pH

ChemistryIonic EquilibriumJEE Main

Options:

A greater than 7
B less than 7
C equal to 7
D equal to zero

Solution:

1141 Upvotes Verified Answer

The correct answer is: greater than 7

N a_{2} C O_{3}

is the salt of strong base and weak acid.

\begin{matrix} {Na}_{2} {CO}_{3} & + & 2 H_{2} O & \to & 2 NaOH & + & H_{2} {CO}_{3} \\ Strong base & Weak acid \end{matrix}

Hence, the solution of

N a_{2} C O_{3}

has pH greater than 7.

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