Lattice | MCQs

    Q1: The atomic diameter of a BCC crystal (if a is lattice parameter) is _____?

    • A. a/4/13)
    • B. None of these
    • C. a/(4/√3)
    • D. al(4/12)

    Q2: Born-Haber cycle is used for the measurement of:

    • A. Lattice energy
    • B. Kinetic energy
    • C. Potential energy
    • D. Chemical energy

    Q3: Packing density is maximum for _______?

    پیکنگ کثافت _______ کے لیے زیادہ سے زیادہ ہے؟
    • A. Body centered lattice
    • B. Simple cubic lattice
    • C. None of these
    • D. Face centered cubic lattice

    Q4: FCC lattice is the reciprocal lattice of the?

    ایف سی سی جالی اس کی باہمی جالی ہے؟
    • A. Both B and C
    • B. SC lattice
    • C. HCP lattice
    • D. BCC lattice

    Q5: Which one of these ionic compounds has the highest lattice energy?

    • A. NaI
    • B. NaF
    • C. NaCl
    • D. NaBr

    Q6: The heat of sublimation of potassium is 98kJ/mol, the heat of dissociation of bromine gas is 192.5 kJ/mol. The ionization energy of K is 414 kJ/mol. The electron affinity of Br is -334.7 kJ/mol and the heat of formation of KBr is -405.8 kJ/mol. Calculate the lattice energy of KBr

    • A. -669.5
    • B. 669.5
    • C. 679.3
    • D. 679.3

    Q7: A three-dimensional array of points, each of which has identical surroundings is called?

    • A. space lattice
    • B. unit cell
    • C. lattice points
    • D. motif

    Q8: All of the following steps are used to calculate the lattice energy in Born-Haber cycle EXCEPT?

    مندرجہ ذیل تمام مراحل کو برن ہیبر سائیکل میں جالی توانائی کا حساب لگانے کے لیے استعمال کیا جاتا ہے سوائے؟
    • A. Ionize non metal
    • B. Ionizing the metal
    • C. Deionize the metal
    • D. Atomizing the metal
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