Chemistry Chemical Energetics Test Online Mcqs Preparation

Chemistry Chemical Energetics Test Online Mcqs Preparation With Answers Start Below

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Question 1 of 15

1. What is not correct about ∆Hf
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. The heat of reaction depends upon:
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. When a solid melts, there is:
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. The lattice energy of NaCl is
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. Which of the following has positive value of enthalpy:
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. The exothermic process is
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Most of the reactions which give stable products are
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. A hypothetical reaction X → 2Yproceeds by the following sequence of steps:
1/2X → Z   ∆H = q1Z → 2W     ∆H = q2W → 1/2Y   ∆H = q3The values for the ∆H of the reaction is
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. Calories is equivalent to
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. A state function which describes together the internal energy and product of pressure and volume is called
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. The enthalpy change for the reaction C2H2 + 5/2 O2 → 2CO2 + H2O is brown as enthalpy of
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. Enthalpy of neutralization of strong acids and strong bases have same values because:
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. NaOH + HCl   →   NaCl + H2O
Enthalpy change in the above reaction is called
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. The enthalpy of formation of a compound is:
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. According to Hess’s Law, the enthalpy change for a reaction
A.
B.
C.
D.

Question 15 of 15


 

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