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80% carbons is present in an alkane by w...

80% carbons is present in an alkane by weight. The possible conclusions are

A

The emperical formula of the compound is `CH_(3)`

B

The minimum number of carbons in the molcule is 2

C

The compound has gram atoms of C & H in 4:1 ratio

D

This composition suits to all alkanes

Text Solution

Verified by Experts

The correct Answer is:
A, B
`{:(,"C",,"H"),(,80g,,20g),("moles =",(80)/(12),:,(20)/(1)),(,1,:,3):}`
`(n)/(2n+2)=(1)/(3)impliesn=2`
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