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(a) An organic compound 'A' having molec...

(a) An organic compound 'A' having molecular formula `C_(4)H_(8)` on treatment with dil. `H_(2)SO_(4)` gives B. B on treatment with conc. HCI and anhydrous `ZnCI_(2)` gives secondary halide C. Write all the reactions and identify A, B and C.
(b) Convert ethyl chloride into methyl chloride.

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Two isomeric compounds A and B have molecular formula C_(3)H_(6)O . A responds to silver mirror test but not B. B on treatment with Zn ( Hg) and conc. HCl gives propane. A and B are respectively.

An organic compound P having the molecular formula C_(5)H_(10)O when treated with dil H_(2)SO_(4) gives two compounds, Q and R both gives positive iodoform test. The reaction of C_(5)H_(10)O with dil, H_(2)SO_(4) gives reaction 10^(15) times faster than ethylene. identify organic compound of Q and R. Give the reason for the extra stability of P.

An organic compound A with molecular formula C_(4)H_(10)O on treatment with phosphorus pentachloride gives alkyl chloride. Alkyl chloride on treatment with Mg in presence of dry ether gives a highly reactive compound B . Compound B reacts with water to give hydrocarbon C . Alkyl chloride on treatment with Na in dry ether as a solvent gives alkane, 2,2,3,3- tetramethylbutane. Identify A , B , C .

A neutral organic compound A of molecular formula C_(2)H_(6)O on heating with excess of conc. H_(2)SO_(4) gives compound B of molecular formula C_(2)H_(4) . Compound B on reduction gives compound C of molecular formula C_(2)H_(6) . (a) Name A, B and C. (b) Write chemical equation for the conversion of A to B. (c) What is the role of conc H_(2)SO_(4) in the above equation.

Knowledge Check

  • Two isomeric compounds A and B have molecular formula C_(3)H_(6)O . A responds to silver mirror test but not B. B on treatment with Zn ( Hg) and conc. HCl gives propane. A and B are respectively.

    A
    ethanal and propanone
    B
    propanone and ethanal
    C
    propanal and propanone
    D
    propanaone and propanal

  • An organic compound A having molecular formula C_(2)H_(3)N on reduction gave a compound B. On treatment with HONO, B gave ethyl alcohol and on warming with CHCl_(3) and alcoholic KOH, B gives an offensive smell. The compound A is

    A
    acetamide
    B
    methyl cyanide
    C
    ethylamine
    D
    ethyl cyanide

  • KCIO_(3) on reaction with SO_(2) gives (A) and on reactionwith conc. H_(2)SO_(4) gives (B).(A) and (B) are

    A
    `KCI,HCI_(4)`
    B
    `CI_(2),CIO_(2)`
    C
    `KCI,HCIO_(3)`
    D
    `CI_(2),HCIO_(4)`