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Amount of oxygen required for combustion...

Amount of oxygen required for combustion of `1 kg` of a mixture of butane and isobutane is:

A

`1.8 kg`

B

`2.7 kg`

C

`4.5 kg`

D

`3.58 kg`

Text Solution

Verified by Experts

The correct Answer is:
D
Butane and isobutane have same molecular formula `C_(4)H_(10)`
`C_(4)H_(10)+(13)/(2)O_(2)rarr 4CO_(2)+5H_(2)O`
`:' 58 g C_(4)H_(10)` requires `O_(2)=(13)/(2)xx32 g` ,brgt `:. 100 g C_(4)H_(10)` requires `O_(2)=(13xx32xx1000)/(2xx58)`
`=3586.2g or 3.586 kg`
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  14. Which is heaviest?

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  16. The number of atoms in 4.25 g NH(3) is approximately:

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  17. The number of atomic weight scale is based on:

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  18. Amount of oxygen in 32.2 g of Na(2)SO(4).10H(2)O is:

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  19. At STP 5.6 "litre" of a gas weigh 60 g. The vapour density of gas is:

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