Class 11 Chemistry Chapter 5 MCQs – Energetics of Chemical Bonding

Here we are going to provide class 11 chemistry chapter 5 energetics of chemical bonding solved MCQs for Sindh board students that will be beneficial in exam paper preparation.

11 Class Chemistry Chapter 5 MCQs with Answer

This Sindh board 1st-year chemistry chapter 5 MCQs are also helpful for Karachi, Hyderabad, Larkana, and Sukkur students in their Examinations.

11 Class Chemistry Chapter 5 MCQs
1st Year Chemistry Chapter 5 MCQs

1. The net change in a chemical reaction is same whether it takes place directly or indirectly is

a) Henry’s Law

b) Charles’s Law

c) Hess’s Law

d) Graham’s Law

Answer: c) Hess’s Law


2. One of the best applications of Hess’s Law is to calculate the lattice energy of ionic compound is

a) Measurement of enthalpy change in a calorimeter

b) Studying of first law of thermodynamics

c) Born-Haber cycle

d) Measurement of a heat of formation of a compound

Answer: c) Born-Haber cycle


3. The optimum temperature for the synthesis of NH3 Haber’s process is

a) 200oC

b) 300oC

c) 400oC

d) 500oC

Answer: c) 400oC


4. One of the statements about the Born-Haber cycle is correct. Which is that statement

a) Born-Haber cycle is different from Hess’s Law

b) The energy change in a cyclic process is not zero

c) The lattice energy of the crystalline substances can be calculated easily

d) None of the above

Answer: c) The lattice energy of the crystalline substances can be calculated easily


5. Diamond and graphite are two allotropic forms of carbon. Their heats of combustion are -395 KJ. mol-1 and -393.5 Kj.mol-1, respectively. Heat change in the conversion of graphite to diamond is

a) -1.9 Kj.mol-1

b) #ERROR!

c) #ERROR!

d) -788.9 Kj.mol-1

Answer: b) #ERROR!


Conclusion

The topic of this post is class 11 Chemistry chapter 5 energetics of chemical bonding mcqs with answers additionally we add this post to the 11th class mcqs category.

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