IIT-JEE-Chemistry-Final Revision Set No.72

1. 2 mol of an ideal gas expanded isothermally and reversibly from 1litre 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
2. 2-hexyne gives trans-2-hexene on treatment with

(a) Li/NH3
(b) Pd/BaSO4
(c) LiAIH4
(d) Pt/H2
3. How many chiral compounds are possible on mono chlorination of 2-methyl
butane?
(a) 2
(b) 4
(c) 6
(d) 8

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

5. Which of the following as -O-O- linkage
(a) H2S2O6
(b) H2S2O8
(c) H2S2O3
(d) H2S5O6

source JEE 200 screening