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The value of Delta H for the reaction X(...

The value of `Delta H` for the reaction `X_(2)(g) +4Y_(2)9g) hArr 2XY _(4)(g)` is less than zero. Formation of `XY_(4)(g)` will be favoured at `:`

A

High temperature and low pressure

B

High temperature and high pressure

C

low pressure and low temperature

D

high temperature and low pressure

Text Solution

Verified by Experts

For the reaction
`X_(2) (g)+4Y_(2) (g) Leftrightarrow 2XY_(4) (g)`
`trianglen_(g)=2-5=-3, triangleH=-ve`. Thus, formation of `XY_(4)` will be favoured at low temperature (exothermic reaction) and high pressure (volume is decreasing in forward direction).
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