Q.

Which are true for the reaction : A2⇌2C+D?

Moderate

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By Expert Faculty of Sri Chaitanya

a

if ∆H=0; Kp and α (alpha) increases with increase in temperature

b

if ∆H=+ve, Kp increases with temperature and dissociation of A2 increases.

c

if ∆H=-ve, Kp decreases with temperature and dissociation of A2 decreases.

d

Kp=4α3P1+2α2

answer is 1,2,3,4.

(Detailed Solution Below)

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Detailed Solution

A        ⇌         2C   +     D Initial                   1                        0           0 At equilibrium    1-α               2α            α Kp =(2α)2α×P∆n2=4α3P21+2α2 Use 2.303 log K2K1=∆HRT2-T1T1T2 for effect of temperature on K.
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