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Class 12 Chemistry Chapter 1 The Solid State MCQs | Class 12 Chemistry Chapter 1 The Solid State Short Questions and Answers

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Free download in PDF Class 12 Chemistry Chapter 1 The Solid State Short Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries./p>

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(1) The number of octahedral void(s) per atom present in a cubic close-packed structure is
[A] 2
[B] 4
[C] 1
[D] 3
Answer: 1
(2) A metal crystallizes with a face-centered cubic lattice. The edge of the unit cell is 408 pm. The diameter of the metal atom is
[A] 144 pm
[B] 204 pm
[C] 288 pm
[D] 408 pm
Answer: 288 pm
(3) AB crystallizes in a body centred cubic lattice with edge length 'a' equal to 387 pm. The distance between two oppositively charged ions in the lattice is
[A] 300 pm
[B] 335 pm
[C] 250 pm
[D] 200 pm
Answer: 335 pm
(4) Percentage of free space in a body centred cubic unit cell is
[A] 32%
[B] 34%
[C] 28%
[D] 20%
Answer: 32%
(5) If NaCl is doped with 10–4 mol % of Sr Cl2, the concentration of cation vacancies will be (NA = 6.02 × 1023 mol–1)
[A] 6.02 × 1016 mol–1
[B] 6.02 × 1017 mol–1
[C] 6.02 × 1014 mol–1
[D] 6.02 × 1015 mol–1
Answer: 6.02 × 1017 mol–1
(6) The appearance of colour in solid alkali metal halides is generally due to
[A] Schottky defect
[B] Frenkel defect
[C] Interstitial position
[D] F-centres
Answer: F-centres
(7) In a face-centered cubic lattice, a unit cell is shared equally by how many unit cells?
[A] 2
[B] 4
[C] 6
[D] 8
Answer: 6

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