MEDIUM
Chemistry
IMPORTANT
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Crystal systems in which no two axial lengths equal are

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Important Questions on Solid State

HARD
Chemistry
IMPORTANT

Given is the arrangement of atoms in a crystallographic plane. Which plane correctly represent(s) the drawn structure?

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HARD
Chemistry
IMPORTANT
If potassium crystallizes in a body-centered cubic lattice a = 5.20 , then
HARD
Chemistry
IMPORTANT
Which of the following is/are correct about CsCl?
MEDIUM
Chemistry
IMPORTANT
Which of the following species have integral bond order, gerade type HOMO and paramagnetic nature.
MEDIUM
Chemistry
IMPORTANT

Which mineral can have the silicates skeleton as shown below?

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HARD
Chemistry
IMPORTANT

Copper has a face-centred cubic structure with a unit-cell edge length of 3.61 Å. What is the size of the largest atom (in pm), which could fit into the interstices of the copper lattice without distorting it?

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[Hint: Calculate the radius of the smallest circle in the figure.]

HARD
Chemistry
IMPORTANT

A metal cystallises into two cubic phases, f.c.c and b.c.c. whose unit-cell lengths are 3.5 A° and 3.0 A°. Calculate the ratio of densities of f.c.c. and b.c.c.

Give answer after multiplying with 100 and rounding off to the nearest integer value.

EASY
Chemistry
IMPORTANT

Potassium metal crystallizes in a face-centred arrangement of atoms where the edge of the unit cell is 0.574 nm. Determine the shortest separation of any two potassium nuclei in pm is.