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11th Standard English Medium Chemistry Subject Basic Concept of Organic Reactions Creative 1 Mark Questions with Solution Part - II Question Bank Software Jun-24 , 2021

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11th Standard English Medium Chemistry Subject Basic Concept of Organic Reactions Creative 1 Mark Questions with Solution Part - II

11th Standard English Medium Chemistry Subject Basic Concept of Organic Reactions Creative 1 Mark Questions with Solution Part - II

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5

  1. Which of the following is correct order of the stability of carbocations ?

    (a)

    +CH3>+CH2 CH3> +CH(CH3)2 >+C(CH3)3

    (b)

    +CH2CH3>+CH3>+CH(CH3)2>+C(CH3)3

    (c)

    +C(CH3)3>+CH(CH3)2>+CH2CH3>+CH3

    (d)

    +CH(CH3)2>+CH3>+CH2CH3>+C(CH3)3

  2. Which one of the following is correct order of the stability of carbanions ?

    (a)

    -C(CH3)3 > -CH(CH3)2 > -CH2-CH3 > -CH3

    (b)

    -CH3 > -CH2-CH3 > -CH(CH3)2> -(CH3)3

    (c)

    -CH(CH3)2>-H3 > -CH2-CH3 >-(CH3)3

    (d)

    -CH2-CH3>-CH(CH3)2>-CH3>-(CH3)3

  3. Which one of the following is not electrophile ?

    (a)

    NH3

    (b)

    AlCl3

    (c)

    FeCl3

    (d)

    R-X

  4. Which one of the following is not nucleophile ?

    (a)

    H2O

    (b)

    NH3

    (c)

    R-OH

    (d)

    FeCl3

  5. Which one of the following is positively charged electrophiles ?

    (a)

    CO2

    (b)

    AlCl3

    (c)

    BF3

    (d)

    RX

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