Equilibrium - Result Question 50
####52. Which one of the following orders of acid strength is correct?
[2003] (a) $RCOOH>HC \equiv CH>HOH>ROH$
(b) $RCOOH>ROH>HOH>HC \equiv CH$
(c) $RCOOH>HOH>ROH>HC \equiv CH$
(d) $RCOOH>HOH>HC \equiv CH>ROH$
Show Answer
Solution:
- (c) The higher is the tendency to donate proton, stronger is the acid. Thus, the correct order is $R-COOH>HOH>R-OH>CH \equiv CH$ depending upon the rate of donation of proton.
The stability order of conjugate base is $RCOO^{\Theta}>H-O^{\Theta}>R-O^{\Theta}>HC \equiv C^{\Theta}$
