Saturday, October 3, 2009

IIT JEE Chemistry Final Revision Set 23

1. When I- is oxidised by MnO4- in alkaline medium, I- converts into
(a) IO3- (b) I2 (c) IO4- (d) IO-

2. Which of the following pairs give positive Tollen's test?
(a) Glucose, sucrose (b) Glucose, fructose (c) Hexanal, acetophenone (d) Fructose, sucrose

3. How many chiral compounds are possible on mono chlorination of 2-methyl butane?
(a) 2 (b) 4 (c) 6 (d) 8

4. 2-hexyne gives trans-2-hexene on treatment with
(a) Li/NH (b) Pd/BaSO (c) LiAlH (d) Pt/H

5. 2 mol of an ideal gas expanded isothermally and reversibly from 1 litre to 10 litres at 300 K. What is the enthalpy change?
(a) 4.98 kJ (b) 11.47 kJ (c) -11.47 kJ (d) 0 kJ

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