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Equilibrium

Question
CBSEENCH11008408
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Base strength of 

1. space straight H subscript 3 straight C straight C with minus on top straight H subscript 2 2. space straight H subscript 2 straight C equals straight C with minus on top straight H 3. space straight H minus space straight C identical to straight C with minus on top

is in the order of 

  • (2) > (1) > (3)

  • (3) > (2) > (1) 

  • (1) > (3)> (2) 

  • (1) > (2) > (3)

Solution

D.

(1) > (2) > (3)

Stronger the acid, weaker is its conjugate base. 
The strength of their conjugate acids are in the order: 
HC space identical to CH space greater than thin space straight H subscript 2 straight C space equals CH subscript 2 space greater than thin space CH subscript 3 minus CH subscript 3
Therefore, the correct order of strength of their conjugate base is: 
CH subscript 3 CH subscript 2 to the power of minus greater than thin space straight H subscript 2 straight C space equals straight C to the power of minus straight H space greater than thin space HC identical to straight C to the power of minus

Some More Questions From Equilibrium Chapter

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?

What is meant by a system at dynamic equilibrium?

discuss the effect of a catalyst on equilibrium ? 

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