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Preparation, properties and reactions

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Every question from past board papers on Preparation, properties and reactions, newest paper first. Open any question for its full worked answer.

NEET UG 2023 question paper (official, booklet G6)

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  1. The given compound

    \(\mathrm{C_6H_5-CH=CH-CH(X)-CH_2CH_3}\) (benzene ring attached to CH=CH-CH(X)-CH\(_2\)CH\(_3\))

    is an example of ________.

    structure of the given compound

    4 marks · See worked answer →

NEET UG 2020 question paper (official, booklet E1)

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  1. Identify compound X in the following sequence of reactions :

    Toluene (C\(_6\)H\(_5\)CH\(_3\)) \(\xrightarrow{Cl_2/h\nu}\) X \(\xrightarrow[373\ K]{H_2O}\) Benzaldehyde (C\(_6\)H\(_5\)CHO)

    reaction scheme and four structure options (benzene ring with Cl, CH2Cl, CHCl2, CCl3)

    4 marks · See worked answer →

NEET UG 2017 question paper (official, booklet B)

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  1. Identify A and predict the type of reaction. [Reactant: 3-bromoanisole (benzene ring with OCH3 and Br meta to each other) with NaNH2 gives A]

    reactant structure and four structure options with reaction types

    4 marks · See worked answer →

NEET UG 2016 Phase 2 question paper (official, booklet ZZ)

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  1. Which of the following compounds shall not produce propene by reaction with HBr followed by elimination or direct only elimination reaction?

    4 structures: propanol, ketene, 1-bromopropane, cyclopropane

    4 marks · See worked answer →