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0.2 mole of an alkane on complete combus...

0.2 mole of an alkane on complete combustion gave 26.4g of `CO_(2)`. The molecular weight of alkane is

A

16

B

30

C

44

D

58

Text Solution

Verified by Experts

The correct Answer is:
C
`C_(n)H_(2n+2)+O_(2)rarrnCO_(2)+(n+1)H_(2)O`
`{:(1,rarr,n),("0.2moles",rarr,0.2n=(26.4)/(44)):}`
implies n = 3 implies `C_(3)H_(8)` = 44 amu
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