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Equilibrium

Question
CBSEENCH11006366
Wired Faculty App

Under what conditions:
(i) Kp = Kc   (ii) Kp > Kc     (iii) Kp< Kc

Solution

We know, space space straight K subscript straight p space equals straight K subscript straight C space space left parenthesis RT right parenthesis to the power of increment straight n end exponent
(i)  space space straight K subscript straight p space equals space straight K subscript straight c
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left parenthesis ii right parenthesis space straight K subscript straight p greater than space straight K subscript straight c if space increment straight n greater than 0 space straight i. straight e. space increment straight n space is space plus ve comma space then space straight K subscript straight p greater than space straight K subscript straight c For space example. space PCl subscript 5 left parenthesis straight g right parenthesis space space rightwards harpoon over leftwards harpoon space space space PCl subscript 3 left parenthesis straight g right parenthesis space plus space Cl subscript 2 left parenthesis straight g right parenthesis space space space space space space space space space space space space space increment straight n space equals space left parenthesis 1 plus 1 right parenthesis minus 1 space equals 1 therefore space space straight K subscript straight p space greater than space straight K subscript straight c
left parenthesis iii right parenthesis space straight K subscript straight p space less than space straight K subscript straight c If space increment straight n less than 0 space straight i. straight e. space increment straight n space is space minus ve comma space then space straight K subscript straight p less than space straight K subscript straight c For space example comma space straight N subscript 2 left parenthesis straight g right parenthesis space plus space 3 straight H subscript 2 left parenthesis straight g right parenthesis space space space rightwards harpoon over leftwards harpoon space space 2 NH subscript 3 left parenthesis straight g right parenthesis space space space space space space space space space space increment straight n space equals space 2 minus 1 left parenthesis 1 plus 3 right parenthesis space equals space minus 2 therefore space space space space straight K subscript straight p less than space straight K subscript straight c

Some More Questions From Equilibrium Chapter

Which measurable property becomes constant in water vapour equilibrium?

Give an example from daily life in which there is gas solution equilibrium?

A crystal of common salt of a given mass is kept in its aqueous solution. After 24 hours, its mass remains the same. Is the crystal in equilibrium with the solution?

What is the role of forward and backward reactions at equilibrium of a reversible reaction?

What is a forward reaction?

What condition favours a reversible reaction?

What is a backward reaction?

What type of equilibrium is attained in a reversibe chemical change?

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