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12th Standard English Medium Chemistry Subject Organic Nitrogen Compounds Book Back 2 Mark Questions with Solution Part - I Question Bank Software Jun-01 , 2021

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12th Standard English Medium Chemistry Subject Organic Nitrogen Compounds Book Back 2 Mark Questions with Solution Part - I

12th Standard English Medium Chemistry Subject Organic Nitrogen Compounds Book Back 2 Mark Questions with Solution Part - I

12th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 10

    Part I

    5 x 2 = 10

  1. Write down the possible isomers of the C4H9NO2 give their IUPAC names.

  2. There are two isomers with the formula  CH3NO2. How will you distinguish between them?

  3. What happens when
    i. 2 – Nitropropane boiled with HCl
    ii. Nitrobenezene undergo electrolytic reduction in strongly acidic medium.
    iii. Oxidation of tert – butylamine with KMnO4
    iv. Oxidation of acetoneoxime with trifluoroperoxy acetic acid

  4. How will you convert nitrobenzene into
    i. 1,3,5 - trinitrobenzene
    ii. o and p- nitrophenol
    iii. m – nitro aniline
    iv. azoxybenzene
    v. hydrozobenzene
    vi. N – phenylhydroxylamine
    vii. aniline

  5. Identify compounds A, B and C in the following sequence of reactions.
    i) \({ C }_{ 6 }{ H }_{ 5 }NO_{ 2 }\overset { Fe/HCL }{ \longrightarrow } A\overset { HN{ O }_{ 2 } }{ \underset { 273K }{ \longrightarrow } } B\overset { { C }_{ 6 }{ H }_{ 5 }OH }{ \longrightarrow } C\)
    ii) \({ C }_{ 6 }{ H }_{ 5 }N_{ 2 }cl\overset { CuCN }{ \longrightarrow } A\overset { H_{ 2 }O/H^{ + } }{ \longrightarrow } B\overset { NH_3 }{ \longrightarrow } C\)
    iii) \({ C }{ H }_{ 3 }{ C }{ H }_{ 2 }I\overset { NaCN}{ \longrightarrow } A\overset {OH^-}{ \underset {Partial hydrolysis}{ \longrightarrow } } B\overset {NaOH+Br_2 }{ \longrightarrow } C\)
    iv) \({ C }{ H }_{ 3 }NH_{ 2 }\overset { CH_3 Br }{ \longrightarrow } A\overset { CH_{ 3 }COCl}{ \longrightarrow } B\overset { B_2H_6 }{ \longrightarrow } C\)
    v) \({ C }_{ 6 }{ H }_{ 5 }NH_{ 2 }\overset { (CH_{ 3 }CO)_{ 2 }O }{ \underset { Pyridine }{ \longrightarrow } } A\overset { HNO_{ 3 } }{ \underset { H_{ 2 }SO_{ 4 },288K }{ \longrightarrow } } B\overset { { H }_{ 2 }O/{ H }^{ + } }{ \longrightarrow C } \)
    vi) 

    vii) \({ C }{ H }_{ 3 }CN_{ 2 }NC\overset { HgO }{ \longrightarrow } A\overset { H_{ 2 }O }{ \longrightarrow } B\overset { i) NaN{ O }_{ 2 }/HCL }{ \underset { ii){ H }_{ 2 }O }{ \longrightarrow } } \)

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