Q.

Hot Conc.H2SO4 acts as moderately strong oxidizing agent. It oxidises both metals and nonmetals. Which of the following element is oxidised by Conc.H2SO4 into two gaseous products. 

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a

S

b

Zn

c

C

d

Cu

answer is B.

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Detailed Solution

C+2H2SO4( Conc. )CO2+2SO2+2H2O

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