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Given that: 2C(s)+O(2)(g)to2CO(2)(g)" ...

Given that:
`2C(s)+O_(2)(g)to2CO_(2)(g)" "(DeltaH=-787kJ)` . . . (i)
`H_(2)(g)+1//2O_(2)(g)toH_(2)O(l)" "(DeltaH=-286kJ)` . . . (ii)
`C_(2)H_(2)+2(1)/(2)O_(2)(g)to2CO_(2)(g)+H_(2)O(l)" "(DeltaH=-1310kJ)` . . .(iii)
The heat of formation of acetylene is:

A

`+1802 kJ`

B

`-1802 kJ`

C

`-800 kJ`

D

`+237 kJ`

Text Solution

Verified by Experts

The correct Answer is:
D
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