Category: Chemistry Chapter 5 MCQs

  • Class 11 Chemistry Chapter 5 MCQs – Energetics of Chemical Bonding

    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.