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Identify the type of structural isomerism shown by compounds (chain, functional, metamerism, tautomerism)

This type of question, asked 7 times: May 2022 S1, 23 Apr 2025 S1, 11 Apr 2026 S1, 12 May 2026 S1, 13 May 2026 S2, 15 May 2026 S2, 19 May 2026 S1. All 7 questions below, oldest first.

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  1. Question 1

    May 2022 S1

    90
    Which from following pairs of compounds is an example of metamerism?

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  2. Question 2

    23 Apr 2025 S1

    92
    Which among the following is a pair of functional isomers?

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  3. Question 3

    11 Apr 2026 S1

    13
    What type of isomerism is exhibited by neopentane?

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  4. Question 4

    12 May 2026 S1

    15
    What type of isomerism is exhibited by compounds CH3−CH2−O−CH2−CH3\mathrm{CH_3{-}CH_2{-}O{-}CH_2{-}CH_3} and CH3−CH2−CH2−O−CH3\mathrm{CH_3{-}CH_2{-}CH_2{-}O{-}CH_3}?

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  5. Question 5

    13 May 2026 S2

    17
    Identify the correct pair of functional isomers.

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  6. Question 6

    15 May 2026 S2

    40
    Which of the following functional groups is functional isomer of Ethers?

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  7. Question 7

    19 May 2026 S1

    15
    Identify the name of the isomerism in rapid equilibrium with each other in the following reaction.

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