which is stronger base from the following?
1)aq.KOH 2)alc.KOH
Answers
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2) ALC.KOH IS STRONGET BASE.
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Answer:
2) all. KOH
Explanation:
alc. KOH is more stronger base than aq. KOH.
This is because alc. KOH dissociates in water to give RO- ions which is a stronger base and abstracts acidic hydrogen from a compound. Moreover, the intermediate (RO-) formed by alc. KOH is much bulkier due to which its nucleophilicity decreases and thus Basic strength increases.
Whereas, aq. KOH dissociates in water to give OH- ions which acts as a nucleophile and adds to a compound to give an Alcohol. Also, the intermediate (OH-) formed by aq. KOH is less bulkier due to which its nucleophilicity increases and hence Basic Strength decreases.
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