Question:
Which one of the following orders of acidic strength is correct ?
Which one of the following orders of acidic strength is correct ?
Updated On: May 5, 2024
- RCOOH > HOH > HC $\equiv$ CH > ROH
- RCOOH > HC $\equiv$ CH > HOH >ROH
- RCOOH >ROH > HOH > HC $\equiv$ CH
- RCOOH > HOH > ROH >HC $\equiv$ CH
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The Correct Option is D
Solution and Explanation
Carboxylic acid is stronger than alcohol and water because after removal of proton, carboxylate ion is stabilised by resonance. Hence, correct order of acid strength is
$RCOOH > HOH > ROH > HC \equiv CH$
Which is based upon the rate of donation of proton or strength of base, thus order of basic strength is
$\bar{C} \equiv CH > R- \bar{O} > OH^- > RCOO^-$
$RCOOH > HOH > ROH > HC \equiv CH$
Which is based upon the rate of donation of proton or strength of base, thus order of basic strength is
$\bar{C} \equiv CH > R- \bar{O} > OH^- > RCOO^-$
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