XI Chemistry Mcqs
Energetics of Chemical Reaction – Chapter # 05 – Test 01
- Question 1 of 101. The equation, C + 2S CS2 H = + 117.5 KJ/mole represents:
Right Answer! Good
Wrong Answer Correct Answer is : An endothermic reaction
- Question 2 of 102. Which of the following is endothermic reaction:
Right Answer! Good
Wrong Answer Correct Answer is : H2 + I2 2HI
- Question 3 of 103. Which of the following is exothermic reaction:
Right Answer! Good
Wrong Answer Correct Answer is : CH4 + 2O2 CO2 + 2H2O
- Question 4 of 104. He following statements is correct:
Right Answer! Good
Wrong Answer Correct Answer is : In the equation E= q – w, if the work is done by the system, w is negative and if the work is done by the surrounding, w is positive
- Question 5 of 105. An exothermic reaction is one in which the reacting substances:
Right Answer! Good
Wrong Answer Correct Answer is : Have more energy than the products
- Question 6 of 106. An endothermic reaction is one in which:
Right Answer! Good
Wrong Answer Correct Answer is : Heat is absorbed
- Question 7 of 107. An exothermic reaction is one which:
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Wrong Answer Correct Answer is : Is accompanied by evolution of heat
- Question 8 of 108. Which of the following is applicable for a thermo chemical reaction:
Right Answer! Good
Wrong Answer Correct Answer is : It tells whether a particular reaction is possible or not
- Question 9 of 109. The study of general laws governing the process which involve heat changes and the conservation of energy is called:
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Wrong Answer Correct Answer is : Thermodynamics
- Question 10 of 1010. The branch of physical chemistry which deals with the quantities of heat absorbed or evolved during a chemical reaction is called:
Right Answer! Good
Wrong Answer Correct Answer is : Thermo chemistry