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Alpha-hydrogen acidity, aldol, Cannizzaro, haloform

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Every question from past board papers on Alpha-hydrogen acidity, aldol, Cannizzaro, haloform, newest paper first. Open any question for its full worked answer.

NEET UG 2022 question paper (official, booklet R6)

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  1. Which one of the following is not formed when acetone reacts with 2-pentanone in the presence of dilute NaOH followed by heating ?

    four skeletal structures of enones

    4 marks · See worked answer →

NEET UG 2020 question paper (official, booklet E1)

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  1. Reaction between benzaldehyde and acetophenone in presence of dilute NaOH is known as :

    4 marks · See worked answer →

NEET UG 2018 question paper (official, booklet EE)

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  1. Compound A, C\(_8\)H\(_{10}\)O, is found to react with NaOI (produced by reacting Y with NaOH) and yields a yellow precipitate with characteristic smell.

    A and Y are respectively

    structures of compound A in options 1-4

    4 marks · See worked answer →

NEET UG 2017 question paper (official, booklet B)

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  1. Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating ?

    four product structure options

    4 marks · See worked answer →

NEET UG 2016 Phase 1 question paper (official, booklet A)

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  1. The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha-carbon, is :

    4 marks · See worked answer →