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10 " mL of " a gaseous organic compound ...

10 " mL of " a gaseous organic compound containing C, H and O only was mixed with 100 " mL of " `O_(2)` and exploded under condition which allowed the `H_(2)O` formed to condense. The volume of the gas after explosion was 90 mL. On treatment with KOH solution, a further contraction of 20 mL in volume was observed. The vapour density of the compound is 23. All volume measurements were made under the same condition.
Q.The volume of `CO_(2)` is

A

20 mL

B

50 mL

C

70 mL

D

90 mL

Text Solution

Verified by Experts

The correct Answer is:
A
Since `H_(2)O` vapours are condensed,
Volme of unreacted `O_(2)+` volume of `CO_(2)=90mL`
Volume of `CO_(2)` (absorbed by KOH)`=20mL`
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