JEE2014 (MAINS) MODEL TEST （jee 2014(电源)模型试验）.pdf

JEE-2014 (MAINS) MODEL TEST Time : 3 Hrs Maximum Marks : 360 Prepared by KRISHNAMURTHY IIT ACADEMY NOTE: Each of the following questions has four choices of which ONLY ONE is correct. Choose the correct option. Each correct answer carries 4 mark. Each wrong answer carries -1 mark. CHEMISTRY 1. The first emission line on hydrogen atomic spectrum in the Balmer series appears at ( R = Rydberg constant) 5R − 1 3R − 1 7R − 1 9R − 1 A) cm B) cm C) cm D) cm 36 4 144 400 −30 ° 2. The dipole moment of HBr is 1.6× 10 C− m and interatomic spacing is 1A . The percent ionic character of HBr is A) 7 B) 10 C) 15 D) 27 3. Molar volume of CO is maximum at 2 A) NTP B) 0°C and 2.0 atm C) 127°C and 1 atm D) 273°C and 2.0 atm t 4. Which of the following is an intensive property? A) Temperature B) Viscosity C) Surface tension D) All of these e 5. Two moles of each reactant A and B are taken in a reaction flask. They react in the following manner,