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IIT JEE 2009 Chemistry Paper2 Code 1 Solutions

MULTIPLE CORRECT CHOICE TYPE

5.     The nitrogen oxide(s) that contain(s) N-N bond(s) is(are)

        (A)    N2O

        (B)    N2O3

        (C)    N2O4

        (D)    N2O5

Sol.   (A, B, C)

        nitrogen bond

6.     In the reaction

        2X + B2H --> [BH2(X)2]+ [BH4]-

        the amine(s) X is (are)

        (A)    NH3

        (B)    CH3NH2

        (C)    (CH3)2NH

        (D)    (CH3)3N

Sol.   (A, B, C)

        Due to bulkiness of trimethylamine, it does not react(steric factor)

7.     The correct statement(s) about the following sugars X and Y is(are)

 chemical compound

        (A)    X is a reducing sugar and Y is a non-reducing sugar

        (B)    X is a non-reducing sugar and Y is a reducing sugar

        (C)    The glucosidic linkages in X and Y are a and b respectively

        (D)    The glucosidic linkages in X and Y are b and a respectively

Sol.   (B, C)

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