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Product of oxidising a primary, secondary or tertiary alcohol with PCC, K2Cr2O7 or hot copper

This type of question, asked 6 times: 9 May 2024 S2, 10 May 2024 S2, 15 Apr 2026 S2, 16 Apr 2026 S2, 13 May 2026 S2, 15 May 2026 S2. All 6 questions below, oldest first.

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  1. Question 1

    9 May 2024 S2

    55
    Identify the product formed when vapours of 2-methylpropan-2-ol are passed over hot copper.

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  2. Question 2

    10 May 2024 S2

    98
    An organic compound 'A' on reaction with PCl3_3 gives an alkyl chloride having formula C3_3H7_7Cl. 'A' on oxidation with PCC forms an aldehyde having formula C3_3H6_6O. Identify 'A'.

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  3. Question 3

    15 Apr 2026 S2

    41
    Which of following on oxidation forms propanone?

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  4. Question 4

    16 Apr 2026 S2

    38
    Which of the following reagents limits the oxidation of R-CH2OH\mathrm{R\text{-}CH_2OH} up to R-CHO only?

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  5. Question 5

    13 May 2026 S2

    39
    What is the final product of the oxidation reaction of a primary alcohol by acidified K2Cr2O7\mathrm{K_2Cr_2O_7}?

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  6. Question 6

    15 May 2026 S2

    39
    An organic compound gives hydrogen on reaction with sodium metal and it also forms an aldehyde having molecular formula C2H4O\mathrm{C_2H_4O} on oxidation with pyridinium chlorochromate, identify the organic compound from following ?

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