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Sodium phenoxide when heated with CO2 un...

Sodium phenoxide when heated with `CO_2` under pressure at `125^@` C and followed by acidification gives

A

Sodium benzoate

B

Sodium salicylate

C

Salicylic acid

D

Salicylaldehyde

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Knowledge Check

  • When Co is heated with NaOH under pressure , we get :

    A
    Sodium benzoate
    B
    Sodium acetate
    C
    Sodium formate
    D
    Sodium oxalate

  • Silver acetylide when heated with HCI gives:

    A
    `C_2H_2`
    B
    `H_2`
    C
    `C_2H_4`
    D
    `C_6H_6`

  • Calcium cyanamide on treatment with steam under pressure gives NH_3 and:

    A
    `CaCO_3`
    B
    `Ca(OH)_2`
    C
    `CaO`
    D
    `CaHCO_3`

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    (i) How will you convert phenol to benzoic acid? (ii) An organic compound A having molecular formula, C_6H_6O gives a characteristic colour with aqueous FeCl_3 solution. A on treatment with CO_2 and NaOH at 400 K under pressure gives B which on acidification gives a compound C. The compound C reacts with acetyl chloride to give D which is a popular pain killer. Deduce the structure of A, B, C and D.

    Sodium chloride when heated with Conc. H_2SO_4 and solid potassium dichromate gives :

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    alpha -chloropropionic acid on treatment with alcoholic KOH followed by acidification gives :

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