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A gas is found to have the formula (CO)n...

A gas is found to have the formula `(CO)_n` if its vapour density is 56 the value of n will be

A

7

B

5

C

4

D

3

Text Solution

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The correct Answer is:
C
V.D.=56
Mol.mass =2xxV.D=2xx56=112
`(CO)_(n)=112 "or" (12+16)_(n)=112 `
`(28)_(n)=112 "or"n=(112)/(28)=4`
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