Question

-
26 cc of CO, are passed over red hot coke. The
volume of CO evolved is :-
(1) 15 cc
(2) 10 cc
(3) 32 cc
(4) 52 cc​

Answer 1

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Asked on December 26, 2019 by

Shanthika Kanojiya

26 cc of CO

2

are passed over red hot coke. The volume of CO evolved is:

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ANSWER

26cm

3

of CO

2

is passed over red-hot coke.

The reaction will be:

CO

2

+C⟶2CO

1 mol of CO

2

gives 2 moles of CO.

At STP, 1 mol = 22.4L

22.4LofCO

2

⟶2×22.4LofCO

1LofCO

2

⟶2×

22.4

22.4

LofCO

Volume of CO

2

given = 26cm

3

26×10

−3

LofCO

2

⟶26×10

−3

×2×

22.4

22.4

LofCO

⟶52×10

−3

LofCO

⟶52cm

3

ofCO