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For the reaction : 2SO(2)(g)+O(2)(g) h...

For the reaction :
`2SO_(2)(g)+O_(2)(g) hArr2SO_(3)(g),DeltaH=ve`.
An increase in temperature shows:

A

more dissociation of `SO_(3)` and a decreases in `K_(c)`

B

less dissociation of `SO_(3)` and an increases in `K_(c)`

C

more dissociation of `SO_(3)` and an increase in `K_(c)`

D

less dissociation of `SO_(3)` and a decrease in `K_(c)`

Text Solution

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The correct Answer is:
A
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A reaction system in equilibrium according to reaction 2SO_(2)(g)+O_(2)(g)hArr2SO_(3)(g) in one litre vessel at a given temperature was found to be 0.12 mole each of SO_(2) and SO_(3) and 5 mole of O_(2) In another vessell of one litre contains 32 g of SO_(2) at the same temperature. What mass of O_(2) must be added to this vessel in order that at equilibrium 20% of SO_(2) is oxidized to SO_(3) ?

Knowledge Check

  • For the reaction 2SO_(2)(g)+O_(2)(g)to2SO_(3)(g) the entropy-

    A
    increases
    B
    decreases
    C
    remains unchanged
    D
    change cannot be predicted
  • In the reaction N_(2)(g)+O_(2)(g) hArr 2NO(g), DeltaH= + 180.7kJ . On increasing the temperature the production of NO

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    increases
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    remains same
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    cannot be predicted
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    increases
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