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Solid State · Question 47

AIPMT 2000MCQEasy📈 Topic in 0% papers+4−1
1

Cations and anions combine in a crystal to form the following type of compound

  1. ionic
  2. metallic
  3. covalent
  4. dipole-dipole

Answer

(1) ionic

Solution

∵ Cations and anions are held together in the crystal lattice by strong electrostatic (coulombic) forces of attraction.

∴ Such solids are ionic compounds (e.g. NaCl, MgO).

Answer: (1)

Out of syllabusAIPMT 2000

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2

In a cubic crystal, A-atoms are placed at every corner and B-atoms at the centre of every face. The formula of the compound is

  1. AB
  2. AB3
  3. A2B2
  4. A2B3
Out of syllabusAIPMT 2000

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