661(b)2,4-hexadione
Swarna Kamal Dhyawala hw plzz explain ur answerUpvote·0· Reply ·2013-02-24 09:44:16
Which of the following has the most acidic hydrogen?
(a) 3-hexanone
(b) 2,4-hexanedione
(c) 2,5-hexanedione
(d) 2.3-hexanedione
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4 Answers
661996the answer must be 2,5 hexanedione
acidc hydrogen means hydrogen attached to the carbon atoms which directly attached to sp2 carbon atoms
- Anurag Ghosh The order of reactivity of Hydrogen follows d hybridisation of carbon to which it is attached-
sp>sp2>sp3
- Anurag Ghosh Sry not reactivity...its acidity.....
- Swarna Kamal Dhyawala ya here it was ketone thats why i mentioned sp2 hybrid carbon
- Swarna Kamal Dhyawala ur statement is also true.........@anurag
661In 2,4-hexadione if H+ is removed from carbon number 3 then it will cause delocalisation of electrons from oxygen on carbon number 2 to oxygen on carbon number 4
which will stabilise the carbanoin thus formed.This stabilization is the most in case of 2,4-hexadione.
- Swarna Kamal Dhyawala why u r seeing the stability the question of which these has most no. of acidic hydrogen .. and option (c) has most no.acidic hydrogen
661it is not most number of acidic it is most acidic(not the quantity but the acidity of hydrogen)
- Swarna Kamal Dhyawala ok ya got it !!!!!
