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Compound 'Q' is :...

Compound 'Q' is :

A

B

C

D

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The correct Answer is:
D
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Knowledge Check

  • Q. Compound 'X' is:

    A
    `NaNO_(3)`
    B
    `Ag_(2)C_(2)O_(4)`
    C
    `PbSO_(4)`
    D
    `ZnCO_(3)`

  • 4-Nitrotoluene is treated with bromine to get a cornpound 'P'. 'P' is reduced with Sn and HCl to get compound 'Q ' .'Q' is diazotised and the product ,is treated with Phosphini, acid to get a compound 'R' . R is oxidised with alkalin KMnO_(4) to get compound 'S'. Compound 'S' is :

    A
    2-bromo-4-hydroxybenzoic acid
    B
    benzoic acid
    C
    4-bromobenzoic acid
    D
    2-bromobenzoic acid

  • There are three isomeric compounds P,Q,R with molecular formula C_(4)H_(6)O_(3) .Compound P is a saturated hydroxy carboxylic acid.Compound Q is a symmetrical anhydride while R is an aldehydic ester. Which of the following is the metamer of Q ?

    A
    `CH_(3)-oversetoverset(O)(||)(C)-O-oversetoverset(O)(||)(C)-CH_(3)`
    B
    `H-oversetoverset(O)(||)(C)-O-oversetoverset(O)(||)(C)-CH_(2)-CH_(3)`
    C
    `H-oversetoverset(O)(||)(C)-O-CH_(2)-oversetoverset(O)(||)(C)-CH_(3)`
    D
    `CH_(3)-O-oversetoverset(O)(||)(C)-oversetoverset(O)(||)(C)-OCH_(3)`

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    There are three isomeric compounds P,Q,R with molecular formula C_(4)H_(6)O_(3) .Compound P is a saturated hydroxy carboxylic acid.Compound Q is a symmetrical anhydride while R is an aldehydic ester. Which of the following is P ?

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    Q. The compound B is :

    Ethyl bromide is subjected to ammonolysis reaction to give compound 'P'. Compound 'P' reacts with nitrous acid in cold condition to give compound 'Q' with the liberation of nitrogen gas. What is the molecular weight of the compound 'Q' ?

    When an oxide of manganese (P) is fused with KOH in the presence of an oxidising agent and dissolved in water, it gives a dark green solution of compound (Q). Compound (Q) disproportionates in neutral or acidic solution to give purple compound ( R) oxidises potassium iodide solution to a compound (S) and compound (P) is also formed. Compounds P to S are

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