EASY
Chemistry
IMPORTANT
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MgO exists in NaCl type lattice (rock salt structure). The number of the nearest neighbors of Mg2+ ions are

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Important Questions on Solid State

EASY
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 15 - Solid State>Exercise 1>Q 15
In a face-centred cubic lattice, a unit cell is shared equally by how many unit cells?
EASY
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 15 - Solid State>Exercise 1>Q 16
Iron crystallizes in several modifications. At about 911oC, the bcc 'α' form undergoes a transition to fcc 'γ' form. If the distance between two nearest neighbours is the same in the two forms at the transition temperature, what is the ratio of the density of iron in fcc form ρ2 to the iron in bcc form ρ1 at the transition temperature?
MEDIUM
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 15 - Solid State>Exercise 1>Q 17
The cubic unit cell of Al (molar mass =27 g mol-1) has an edge length of 405 pm. Its density is 2.7 g cm-3. The cubic unit cell is
MEDIUM
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 15 - Solid State>Exercise 1>Q 18
An element (atomic mass =100 g mol-1) having bcc structure has a unit cell edge 400 pm. The density of the element is
EASY
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 15 - Solid State>Exercise 1>Q 19
The coordination number of octahedral void is
EASY
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 15 - Solid State>Exercise 1>Q 20
In a multi-layered close-packed structure,
EASY
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 15 - Solid State>Exercise 1>Q 21
A tetrahedral void in a crystal implies that
EASY
Chemistry
IMPORTANT
Chemistry Crash Course BITSAT>Chapter 15 - Solid State>Exercise 1>Q 22
In a closed-packed lattice, the number of octahedral sites as compared to tetrahedral ones will be