20 ,cc of CO_2 are passed over red hot coke. The volume of CO evo… - Vidyadip

MCQ

$20\,cc$ of $CO_2$ are passed over red hot coke. The volume of $CO$ evolved is ............ $\mathrm{cc}$

A
$10$
B
$20$
C
$30$
✓
$40$

✓

Answer

Correct option: D.

$40$

d
$CO_2(g) + C(g) \to 2CO$
$1\, cc\,\, CO_2$ given $= 2 \,cc\,\, CO$
$20 \,cc\,\, CO_2$ given $= 40\, cc \,\,CO$

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