In a system A(s)⇌2B(g)+3C(g). If the concentration of C at equilibrium is increased by a factor 2, it will cause the equilibrium concentration of B to change to:
A
two times of its original value
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B
one half of its original value
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C
3√2 times of its original value
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D
12√2 times of its original value
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Solution
The correct option is D12√2 times of its original value A(s)⇌2B(g)+3C(g)
⇒KP=(PB)2×(PC)3
KP(PC)3=(PB)2⟶(1)
If we increase concentration of C by a factor of 2, KP(2PC)3=(P1B)2⟶(2)
From (1) & (2)
⇒KP23(PC)3=(P1B)2
⇒KP23(PC)3=(PB1)2
⇒123(PB)2=(P1B)2
∴(PB1)=PB2√2
∴ Pressure of B will reduce by 2√2 i.e; 12√2 times of its original value.