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    Subject

    Chemistry

    Class

    NEET Class 12

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    NEET Chemistry Solved Question Paper 2011

    Multiple Choice QuestionsMultiple Choice Questions

    41.

    The complex, [Pt (Py)(NH3)BrCl] will have how many geometrical isomers?

    • 4

    • 0

    • 2

    • 2

    D.

    2

    The complex is square planar and is of the type [M(abcd)]. It has three geometrical isomers.


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    42.

    Clemmensen reduction of a ketone is carried out in the presence of which of the following?

    • Zn -Hg with HCl

    • LiAlH4

    • H2 and Pt as catalyst

    • H2 and Pt as catalyst

    A.

    Zn -Hg with HCl

    The reducing agent used in Clemmensen reduction is Zn - Hg and HCl.

    greater than straight C space equals space straight O space rightwards arrow with Zn space minus Hg space divided by space HCl on top space greater than CH subscript 2

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    43.

    In a set of reactions, m-Bromo benzoic acid g ave a product D. Identify the product D. 


    B.

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    44.

    In the following reactions,



    the major (A) and (C) are respectively

    A.

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    45.

    Of the following complex ions, which is diamagnetic in nature?

    • [Ni(CN)4]2-

    • [CuCl4]2-

    • [CoF6]3-

    • [CoF6]3-

    A.

    [Ni(CN)4]2-

    Electronic configuration of Ni2+ in [Ni(CN)4]2- is Ni2+ = 3d8 4s0


    therefore,  [Ni(CN)4]2- is diamagnetic (because of the absence of the unpaired electron).
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    • 46.

    Which one of the following statements is not true regarding (+) lactose?

    • (+) lactose is a  β - glycoside formed by the union of a molecule of D (+) galactose

    • (+) lactose is a reducing sugar and does not exhibit mutarotation

    • (+) lactose, C12H22O11 contains 8 - OH groups

    • (+) lactose, C12H22O11 contains 8 - OH groups

    B.

    (+) lactose is a reducing sugar and does not exhibit mutarotation



    Lactose is a reducing sugar and all reducing sugars show mutarotation.
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    47.

    What is the product obtained in the following reaction?

    D.

    Reduction of nitrobenzene with Zn/NH4Cl (neutral medium) gives phenyl hydroxyamine.


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    48.

    Which one is a nucleophilic substitution reaction among the following?

    B.

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    49.

    Which one of the following is employed as antihistamine?

    • Diphenyl hydramine

    • Norethindrone

    • Omeprazole

    • Omeprazole

    A.

    Diphenyl hydramine

    Diphenyl hydramine (Benadryl) is used as an antihistamine

    623 Views
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    50.

    Of the following which one is classified as polyester polymer?

    • Bakelite

    • Melamine

    • Nylon-66

    • Nylon-66

    D.

    Nylon-66

    Terylene is a polyester polymer because it is formed by the monomer units terephthalic acid and ethylene glycol.

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    NCERT Solutions
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