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A pair of substances which cannot exist ...

A pair of substances which cannot exist together in solution is

A

`NaHCO_3 + NaOH`

B

`NaHCO_3 + Na_2CO_3`

C

`Na_2CO_3 + NaOH`

D

`NaOH + NaCl`

Text Solution

Verified by Experts

The correct Answer is:
A
`NaHCO_3` is a sodium salt of weak acid, while NaOH is a strong base, that is why they react and cannot exist together in solution.
`NaHCO_3 + NaOH rarr Na_2CO_3 + H_2O`
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