Equilibrium - Result Question 50

####52. Which one of the following orders of acid strength is correct?

[2003] (a) RCOOH>HCCH>HOH>ROH

(b) RCOOH>ROH>HOH>HCCH

(c) RCOOH>HOH>ROH>HCCH

(d) RCOOH>HOH>HCCH>ROH

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Solution:

  1. (c) The higher is the tendency to donate proton, stronger is the acid. Thus, the correct order is RCOOH>HOH>ROH>CHCH depending upon the rate of donation of proton.

The stability order of conjugate base is RCOOΘ>HOΘ>ROΘ>HCCΘ



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