The reactions of $C l_{2}$ gas with cold-dilute and hot-concentrated NaOH in water give sodium salts of two different oxoacids of chlorine, P and Q, respectively. The $C l_{2}$ gas reacts with $S O_{2}$ gas, in presence of charcoal, to give a product R reacts with white phosphorus to give a compound S. On hydrolysis, S gives an oxoacid of phosphorus.

3. P and Q, respectively, are the sodium salts of

Hypochlorous and chloric acids

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Hypochlorous and chlorous acids

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Chloric and perchloric acids

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Chloric and hypochlorus acids

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Solution

The correct option is A
Hypochlorous and chloric acids

$2 N a O H + C l_{2} \to N a C l + N a C l O + H_{2} O$
(Cold + dil.) P
$6 N a O H + 3 C l_{2} \to 5 N a C l + N a C l O_{3} + H_{2} O$
(Hot + conc.) Q

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Similar questions

Q. The reaction of

C l_{2}

gas with cold dilute and hot concentrated NaOH in water give sodium salt of two (different) oxoacids of chlorine P and Q respectively. The

C l_{2}

gas reacts with

S O_{2}

gas, in presence of charcoal to give a product R. R reacts with white phosphorous to give a compound S. On hydrolysis, S gives as oxoacid of phosphorous T.
P and Q, respectively, are the sodium salts of:

The reactions of $C l_{2}$ gas with cold-dilute and hot-concentrated NaOH in water give sodium salts of two different oxoacids of chlorine, P and Q, respectively. The $C l_{2}$ gas reacts with $S O_{2}$ gas, in presence of charcoal, to give a product R reacts with white phosphorus to give a compound S. On hydrolysis, S gives an oxoacid of phosphorus.

3. P and Q, respectively, are the sodium salts of