Here, you will get Class 12 Chemistry MCQ of Chapter 1 The Solid State for cracking JEE and NEET/AIIMS. By solving these MCQs of Class 12 Chemistry Chapter 1 The Solid State, you will get the confidence to crack JEE or NEET. Practice MCQ Questions for Class 12 Chemistry with Answers on a daily basis and score well in exams.
The Solid State 12 MCQs Questions with Answers
NaCl typecrystal (with coordination no. 6 : 6) can be converted into CsCl type crystal (with coordination no. 8 : 8) by applying
(a) high temperature
(b) high pressure
(c) high temperature and high pressure
(d) low temperature and low pressure
Answer: (b) high pressure
In Zinc blende structure
(a) zinc ions occupy half of the tetrahedral sites
(b) each Zn2- ion is surrounded by six sulphide ions
(c) each S2- ion is surrounded by six Zn2+ ions
(d) it has fee structure
Answer: (c) each S2- ion is surrounded by six Zn2+ ions
Alkali halids do not show Frenkel defect because
(a) cations and anions have almost equal size
(b) there is a large difference in size of cations and anions
(c) cations and anions have low coordination number
(d) anions cannot be accommodated in voids
Answer: (a) cations and anions have almost equal size
The coordination number of Y will be in the XY types of crystal
(a) 6
(b) 8
(c) 12
(d) 4
Answer: (a) 6
The edge length of fee cell is 508 pm. If radius of cation is 110 pm, the radius of anion is
(a) 110 pm
(b) 220 pm
(c) 285 pm
(d) 144 pm
Answer: (d) 144 pm
Which of the following is an amorphous solid ?
(a) Graphite (C)
(b) Quartz glass (SiO2)
(c) Chrome alum
(d) Silicon carbide (SiC)
Answer: (b) Quartz glass (SiO2)
“Crystalline solids are anisotropic in nature. What is the meaning of anisotropic in the given statement?
(a) A regular pattern of arrangement of particles which repeats itself periodically over the entire crystal.
(b) Different values of some of physical properties are shown when measured along different directions in
the same crystals.
(c) An irregular arrangement of particles over the entire crystal.
(d) Same values of some of physical properties are shown when measured along different directions in the same crystals.
Answer: (b) Different values of some of physical properties are shown when measured along different directions in the same crystals.
A unit cell of BaCl2 (fluorite structure) is made up of
(a) four Ba2+ ions and four Cl– ions
(b) four Ba2- ions and eight Cl– ions
(c) eight Ba² ions and four Cl– ions
(d) four Ba² ions and six Cl– ions
Answer: (b) four Ba2- ions and eight Cl– ions
Edge length of unit cell of chromium metal is 287 pm with bcc arrangement. The atomic radius is of the order
(a) 287 pm
(b) 574 pm
(c) 124.27 pm
(d) 143.5 pm
Answer: (c) 124.27 pm
The density of a metal which crystallises in bcc lattice with unit cell edge length 300 pm and molar mass 50 g mol-1 will be
(a) 10 g cm-3
(b) 14.2 g cm-3
(c) 6.15 g cm-3
(d) 9.3 2 g cm-3
Answer: (c) 6.15 g cm-3
p-type semiconductors are formed When Si or Ge are doped with
(a) group 14 elements
(b) group 15 elements
(c) group 13 elements
(d) group 18 elements
Answer: (c) group 13 elements
Fe3O4 (magnetite) is an example of
(a) normal spinel structure
(b) inverse spinel structure
(c) fluoride structure
(d) anti fluorite structure
Answer: (b) inverse spinel structure
Which of the following transition metal oxides is not an insulator?
(a) MnO
(b) NiO
(c) VO
(d) Mn2O3
Answer: (c) VO
Coordination number in ccp and hep arrangements of metal atoms are respectively
(a) 6, 6
(b) 12, 6
(c) 8, 6
(d) 12, 12
Answer: (d) 12, 12
For tetrahedral coordination, the radius ration (r+/r ) should be
(a) 0.155-0.225
(b) 0.225-0.414
(c) 0.414-0.732
(d) 0.732-1
Answer: (b) 0.225-0.414
A compound formed by elements A and B crystallises in the cubic structure where A atoms are at comers of a cube and B atoms are at face centres. The formula of the compound is
(a) AB3
(b) A2B
(c) AB2
(d) A2B3
Answer: (a) AB3
The percentage of iron present as Fe (III) in Fe0.93 O1.0 is
(a) 17.7%
(b) 7.84%
(c) 11.5%
(d) 9.6%
Answer: (b) 7.84%
Which of the following crystals does not exhibit Frenkel defect?
(a) AgBr
(b) AgCl
(c) KBr
(d) ZnS
Answer: (c) KBr
Silver halides generally show
(a) Schottky defect
(b) Frenkel defect
(c) Both Frenkel and Schottky defects
(d) cation excess defect
Answer: (c) Both Frenkel and Schottky defects
In a Schottky defect
(a) an ion moves to interstitial position between the lattice points
(b) electrons are trapped in a lattice site
(c) some lattice sites are vacant
(d) some extra cations are present in interstitial space
Answer: (c) some lattice sites are vacant
What type of stoichiometric defect is shown by ZnS?
(a) Schottky defect
(b) Frenkel defect
(c) Both Frenkel and Schottky defects
(d) Non-stoichiometric defect
Answer: (b) Frenkel defect
In NaCl structure
(a) all octahedral and tetrahedral sites are occupied
(b) only octahedral sites are occupied
(c) only tetrahedral sites are occupied
(d) neither octahedral nor tetrahedral sites are occupied
Answer: (b) only octahedral sites are occupied
Which of the following will have metal deficiency defect?
(a) NaCl
(b) FeO
(c) KCl
(d) ZnO
Answer: (b) FeO
In which pair most efficient packing is present?
(a) hep and bcc
(b) hep and ccp
(c) bcc and ccp
(d) bcc and simple cubic cell
Answer: (b) hep and ccp
How many unit cells are present in a cube-shaped ideal crystal of NaCl of mass 1.00 g? (Atomic mass of Na = 213, Cl = 35.5)
(a) 5.14 × 1021
(b) 1.28 × 1021
(c) 1.71 × 1021
(d) 2.57 × 1021
Answer: (d) 2.57 × 1021
Hope these MCQs help you in your preparation for JEE or NEET/AIIMS. You can download a PDF of Class 12 Chemistry Chapter 1 The Solid State this MCQ by Clicking on ctrl + p. If you have any other queries of CBSE Class 12 Chemistry The Solid State MCQs Multiple Choice Questions with Answers, feel free to comment below so that we can revert back to us at the earliest possible.