Saturday, October 10, 2009

IIT-JEE-Chemistry-Final Revision Set No.86

1. The number of stereoisomers obtained by bromination of trans-2-butene is

(A) 1

(B) 2

(C) 3

(D) 4


2. A positron is emitted from 23Na11. The ratio of the atomic mass and atomic number of the resulting nuclide is

(A) 22/10

(B) 22/11

(C) 23/10

(D) 23/12

3. For the process H2O(l), (1 bar, 373 K) → H2O(g) (1 bar, 373 K), the correct set of thermodynamic parameters is

(A) DG = 0, DS = +ve

(B) DG = 0, DS = -ve

(C) DG = +ve, DS = 0

(D) DG = -ve, DS = +ve

4. Consider a reaction aG + bH → Products. When concentration of both of the reactants G and H is doubled, the rate increases by eight times. However, when concentration of G is doubled keeping the concentration of H fixed, the rate is doubled. The overall order of the reaction is

(A) 0

(B) 1

(C) 2

(D) 3

STATEMENT-1: Glucose gives a reddish-brown precipitate with Fehling's solution.

Because

STATEMENT-2: Reaction of glucose with Fehling's solution gives CuO and gluconic acid.

(A) Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for statement-1.

(B) Statement-1 is True, Statement-2 is True, Statement-2 is not a correct explanation for statement-1.

(C) Statement-1 is True, Statement-2 is False

(D) Statement-1 is False, Statement-2 is True




Source: 2007 JEE paper 2

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