A) \[RCOOH>HOH>HC~CH>ROH\]
B) \[RCOOH>HC~CH>HOH>ROH\]
C) \[RCOOH>ROH>HOH>HC~CH\]
D) \[RCOOH>HOH>ROH>HC~CH\]
Correct Answer: D
Solution :
| Carboxylic acid is stronger than alcohol and water because after removal of proton, carboxylate ion is stabilized by resonanace. |
| Hence, correct order of acid strength is |
| \[RCOOH>KOH>ROH>HC\equiv CH\] |
| which is based upon rate of donation of proton of strength of base, order of basic strength. |
| \[\bar{C}\equiv CH>R-\bar{O}>O{{H}^{-}}>RCO{{O}^{-}}\] |
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