MCQ
Which of the following aqueous solution of compound have maximum pH?
- A$NH _4 Cl$
- B$Na _2 CO _3$
- ✓NaOH
- DNaCl
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Assertion $A :$- Carbon forms two important oxides $- CO$ and $CO _2 . CO$ is neutral whereas $CO _2$ is acidic in nature.
Reason $R :$- $CO _2$ can combine with water in a limited way to form carbonic acid, while $CO$ is sparingly soluble in water.
In the light of the above statements, choose the most appropriate answer from the options given below :-