Q.

Sulphur + sulphuric acid → sulphur dioxide + water

When the given equation is written in molecular form and balanced completely, the coefficient of sulphur dioxide is

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a

2

b

1

c

3

d

4

answer is C.

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Detailed Solution

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The balanced and molecular form of the given equation is written as

  S (s)   +   2H2SO4 (aq)  →   3SO2 (g)   +   2H2O (l)

Sulphur   Sulphuric acid     Sulphur dioxide     Water
On balancing the given word equation, the coefficient of sulphur dioxide comes out to be 3.

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