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Primary alcohol to aldehyde...

Primary alcohol to aldehyde 

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`CH_(3)-CH_(2)-OH underset("(or)Cu-573 K")overset("Pyridinium chlorochromate (PCC)")to CH_(3)CHO`
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Explore conceptually related problems

A better reagent for oxidation of primary alcohols to aldehydes in good yield is

Which of the following reagent cannot be used to oxidize primary alcohols to aldehydes ?

1 Name the reagents used in the following reactions: (i) Oxidation of a primary alcohol to carboxylic acid. (ii) Oxidation of a primary alcohol to aldehyde. (iii) Bromination of phenol to 2,4,6-tribromophenol. (iv) Benzyl alcohol to benzoic acid. (v) Dehydration of propan-2-ol to propene. (vi) Butan-2-one to butan-2-ol.

(A) : To prepare aldehydes from primary alcohols , acidified KMnO_4 " or " K_(2) Cr_(2)O_7 is not used. (R) : Strong oxidising agents like acidified KMnO_(4) " or " K_(2)Cr_(2)O_(7) oxidise aldehydes to carboxylic acids .

Name the reagents used in the Oxidation of primary alcohol to carboxylic acid reaction.

Write the reagents for the following conversions : "Primary alcohol" to "Benzoic acid"

Under what circumstances may an aldehyde be prepared by oxidation of primary , alcohol, with acid dichromate ?

Knowledge Check

  • A better reagent for oxidation of primary alcohols to aldehydes in good yield is

    A
    `CrO_3 +C_2H_5N + HCl`
    B
    `K_2Cr_2O_7 + H_2SO_4`
    C
    `KMnO_4 + H_2SO_4`
    D
    `LiAlH_4`

  • Which of the following reagent cannot be used to oxidize primary alcohols to aldehydes ?

    A
    Pyridinium chloro chromate
    B
    `KMnO_(4)` in acidic medium
    C
    `CrO_(3)` in anhydrous medium
    D
    Heating in presence of Cu at 573 K

  • (A): Thionyl chloride reacts with primary alcohols to form alkyl halides. (R): In the reaction between SOCI_2 and R-OH,SO_2 escapes from the reaction mixture.

    A
    Both A & R are true, R is the correct explanation of A
    B
    Both A & R are true, R is not correct explanation of A
    C
    A is true, R is false
    D
    A is false, R is true