An action of $M n O_{2}$ and concentrated sulphuric acid gives a strong pungent odour gas. This is used to test chloride anion.

True

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False

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Solution

The correct option is A True
Reaction involved is:
$M n O_{2} + 2 C l^{-} + 2 H_{2} S O_{4} \to M n S O_{4} + C l_{2} + S O_{4}^{2 -} + 2 H_{2} O$
Chlorine gas can be recognized by its pungent, irritating odor, which is like the odor of bleach.
The statement is true.

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An action of MnO2 and concentrated sulphuric acid gives a strong pungent odour gas. This is used to test chloride anion.

The correct option is A TrueReaction involved is:MnO2+2Cl−+2H2SO4→MnSO4+Cl2+SO2−4+2H2OChlorine gas can be recognized by its pungent, irritating odor, which is like the odor of bleach.The statement is true.

An action of $M n O_{2}$ and concentrated sulphuric acid gives a strong pungent odour gas. This is used to test chloride anion.

The correct option is A True
Reaction involved is:
$M n O_{2} + 2 C l^{-} + 2 H_{2} S O_{4} \to M n S O_{4} + C l_{2} + S O_{4}^{2 -} + 2 H_{2} O$
Chlorine gas can be recognized by its pungent, irritating odor, which is like the odor of bleach.
The statement is true.