MCQ on Solid State: Chemistry is considered to be the most scoring subject in NEET JEE Exam. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry.

In this post we are providing you MCQ on Solid State, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.

MCQ on Solid State

Q1. The total no of voids in 0.5 mol of a compound forming hexagonal close-packed structure are _______.
a) 3.011 × 10²³
b) 4.516 × 10²³
c) 6.022 × 10²³
d) 9.033 × 10²³

Q2. For the orthorhombic system, axial ratios are a ≠ b ≠ c and the axial angles are _______.
a) α = β = γ ≠ 90^o
b) α ≠ β ≠ γ ≠ 90^o
c) α = β = γ = 90^o
d) α ≠ β ≠ γ = 90^o  

Q3. Ferrous oxide has a cubic structure and each unit cell edge is 5.0A^o. Assuming the oxide density is 4.0g / cm³, the amount of Fe²⁺ and O^2- ions in each unit cell will then be _______.
a) Two Fe²⁺ and four O^2-
b) Three Fe²⁺ and three O^2-
c) Four Fe²⁺ and four O^2-
d) Four Fe²⁺ and two O^2-

Q4. How many unit cells are divided equally in a face-centred cubic lattice?
a) 2
b) 4
c) 6
d) 8

Q5. Schottky defect in a crystal is observed when _______.
a) The density of the crystal increases
b) The ion leaves its normal position and occupies an interstitial location
c) The unequal number of cation and anions are missing from the lattice
d) The equal number of cations and anions are missing from the lattice

Q6. Na and Mg crystallize in crystals of bcc and fcc form respectively and then the amount of Na and Mg atoms present in their respective crystal unit cells is _______.
a) 2 and 4
b) 4 and 2
c) 9 and 14
d) 14 and 9

Q7. Copper crystalline in FCC with a unit cell length of 361pm. What is the radius of a copper atom?
a) 108pm
b) 128pm
c) 157pm
d) 181pm

Q8. A crystalline solid ________.
a) has no definite melting point
b) has irregular 3-dimensional arrangements
c) undergoes deformation of its geometry easily
d) changes abruptly from solid to liquid when heated

Q9. Each of the following solids shows the Frenkel defect except _______.
a) AgI
b) KCl
c) ZnS
d) AgBr

Q10. In a simple cubic, body-centred cubic and face-centred cubic structure, the ratio of the number of atoms present is ______ respectively.
a) 1:2:4
b) 4:2:1
c) 4:2:3
d) 8:1:6

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