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The reactions of Cl(2) gas with cold-dil...

The reactions of `Cl_(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 `Cl_(2)` gas reacts with `SO_(2)` gas, in presence of charcoal, to give a product R. R reacts with white phosphorus to give a compound S. On hydrolysis, S gives an oxoacid of phosphorus, T.
P and Q, respectively are the sodium salts of

A

Hypochlorous and chloric acids

B

Hypochlorous and chlorous acids

C

Chloric and perchloric acids

D

Chloric and hypochlorus acids.

Text Solution

Verified by Experts

The correct Answer is:
A
`underset(("Cold+dil".))2NaOH +CI_(2) rarr NaCI + underset(P)NaCIO +H_(2)O`
`underset (("Hot+conc."))6NaOH +3CI_(2)rarr 5NaCI+underset(Q)NaCIO_(3) +H_(2)O`
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