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Hot conc. H(2)SO(4) acts as moderately s...

Hot conc. `H_(2)SO_(4)` acts as moderately strong oxidising agent. It oxidises both metals and non-metals. Which of the following elements is oxidised by conc. `H_(2)SO_(4)` into two gaseous products ?

A

Cu

B

S

C

C

D

Zn

Text Solution

Verified by Experts

The correct Answer is:
C
`H_2 SO_4` is a moderately strong oxidising agent which oxidises both metals and non-metals as shown below
`Cu + 2H_2 SO_4 ("conc") to CuSO_4 + SO_2 + 2H_2 O`
`S + 2H_2 SO_4 ("conc") to 3SO_2 + 2H_2 O`
While carbon on oxidation with `H_2 SO_4` produces two types of oxides `CO_2 and SO_2`
`C + 2H_2 SO_4 ("conc")to CO_2 + 2SO_2 + 2H_2 O`
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