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AB crystallizes in a body centred cubic lattice with edge length ‘a’ equal to 387 pm. The distance between two oppositely charged ions in the lattice is
Options
(a) 335 pm
(b) 250 pm
(c) 200 pm
(d) 300 pm
Correct Answer:
335 pm
Explanation:
For a bcc lattice,
2(r⁺+r⁻) = √3 a
where r⁺ = radius of cation
r⁻ = radius of anion
a = edge length
.·. (r⁺+r⁻) = √3 ⨯ 387/2
= 335.142 pm ≈ 335 pm.
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Topics: Solid State and Solutions
(91)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- One mole of an ideal gas at 300 K is expanded isothermally
- On heating glycerol with conc.H₂SO₄, a compound is obtained which has bad odour.
- In the reaction : 2P₂O₅ + 2HNO₃ → P₄O₁₀ + x, the term x is
- Specific conductance of 0.1 M sodium chloride solution is 1.06 ˣ 10⁻²
- The reaction in which phenol differs from alcohol is
Topics: Solid State and Solutions (91)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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