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Which benzene sulphonic acid and p-nitro...

Which benzene sulphonic acid and `p-`nitrophenol are treated with `NaHCO_3`, the gases released, respectively are :

A

`SO_2, NO_2`

B

`SO_2, NO`

C

`SO_2, CO_2`

D

`CO_2, CO_2`

Text Solution

Verified by Experts

The correct Answer is:
D
`underset((I))(PhSO_3H) + NaHCO_3 rarr PhSO_3 Na + H_2 O + CO_2`
`underset ((II)) (p-NO_2) - C_6 H_4-OH + NaHCO_3 rarr p-NO_2 - C_6 H_4 O Na + H_2 O + CO_2`
Since both `(I)` and `(II)` are stronger acids than `H_2 CO_3`, they are capable of evolving `CO_2` with `NaHCl_3`.
`HCO_3^(Ө) + H^(oplus) rarr H_2 O + CO_2 uarr`.
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