NEET Chemistry The Solid State Questions Solved

NEET - 2015

A given metal crystallises out with a cubic structure having edge length of 361 pm. If there are four metal atoms in one unit cell, what is the radius of one atom ?

(a) 40 pm

(b) 127 pm

(c) 80 pm

(d) 108 pm

Concept Videos :-

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Concept Questions :-

Density/Formula/packing fraction/ Semiconductors

(b) Given, edge length = 361pm

Four metal atoms in one unit cell

i.e. effective number in unit cell (z) = 4 (given)
 It is a FCC Structure
 Face diagonal = 4r

                       2a = 4r  =2×3614=127 pm

Difficulty Level:

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