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Standard XII

Chemistry

Normality

0.5 mmol of ...

Question

0.5 mmol of $N a C N$ and 1 mmol of $H C l$ in 1 L solution is a buffer.

True

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False

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Solution

The correct option is B False
0.5 mmol of $N a C N$ and 1 mmol of $H C N$ in 1 L solution is a buffer.
An acid buffer solution contains weak acid ( $H C N$ ) and its salt ( $N a C N$ ) with a strong base ( $N a O H$ ).

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0.5 mmol of NaCN and 1 mmol of HCl in 1 L solution is a buffer.

The correct option is B False0.5 mmol of NaCN and 1 mmol of HCN in 1 L solution is a buffer.An acid buffer solution contains weak acid (HCN) and its salt (NaCN) with a strong base (NaOH).

0.5 mmol of $N a C N$ and 1 mmol of $H C l$ in 1 L solution is a buffer.

The correct option is B False
0.5 mmol of $N a C N$ and 1 mmol of $H C N$ in 1 L solution is a buffer.
An acid buffer solution contains weak acid ( $H C N$ ) and its salt ( $N a C N$ ) with a strong base ( $N a O H$ ).