NEET UG CHEMISTRY MCQ: SOLID STATE

1 Easy

1 of 1

Application +4 | -1

A cation is in the centre touches three anions.
Assume that the anions also touch each
other. The limiting radius ratio,

r^+ / r^-

View answer and explanation

Correct option: A

0.1547

Option A (0.1547) is correct because it represents the limiting radius ratio for a coordination number of 3, where the cation touches three anions that also touch each other.

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Schottky defect in crystals is observed when Calculate the ionic radius of a

\mathrm{C}{\mathrm{s}^ + }

ion, assuming that the cell edge length for CsCl is 0.4123 nm and that the ionic radius of a

\mathrm{C}{\mathrm{I}^ - }

ion is

\;0.181\,\,nm

Wrong match is A molecule contains atoms

A

and

B

such that

A

occurs at the corners of the cube and

Y

at the face centres. The formula of the molecule is Which species is diamagnetic ? The arrangement ABCABC……is referred to as,