Q.

Water gives hydrogen in which of the following chemical reaction

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a

When steam is passed over red hot coke

b

Chlorine with water in presence of sunlight

c

Fluorine with cold water

d

Chlorine with cold water

answer is A.

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Detailed Solution

C+H2Osteam→CO+H2Cl2+H2Ocold →HCl+HOCl2F2+2H2O→4HF+O2
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Water gives hydrogen in which of the following chemical reaction