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NEET levelSingle correct optionDifficulty 1 of 3ig176

Which of the following gases is NOT absorbed by KOH solution in a eudiometer?

A $CO X_{2}$
B $SO X_{2}$
C $N X_{2}$
D $Cl X_{2}$

Answer: C

KOH absorbs acidic gases:

CO X_{2}

(carbonate),

SO X_{2}

(sulfite) and

Cl X_{2}

(chloride and hypochlorite).

N X_{2}

is inert and remains.

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