﻿ In A+ B- ionic compound, radii of A+ and B- ions are 180 pm and 187 pm respectively. The crystal structure of this compound will be : Kaysons Education

# In A+ B- ionic Compound, Radii Of A+ and B- ions Are 180 Pm And 187 Pm Respectively. The Crystal Structure Of This Compound Will Be

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## Question

### Solution

Correct option is

CsCl type

which lies in the range of 0.732 – 1.000, hence, coordination number 8, ie, the structure is CsCl type.

#### SIMILAR QUESTIONS

Q1

The number of octahedral sites per sphere in a fcc structure is

Q2

The interionic distance for cesium chloride crystal will be

Q3

For cubic coordination, the value of radius ratio is

Q4

The ratio of cationic radius of anionic radius in an ionic crystal is greater than 0.732. its coordination number is

Q5

The vacant space in the bcc unit cell is

Q6

Calculate the ionic radius of a Cs+ ion, assuming that the cell edge length for CsCl is 0.4123 nm and that the ionic radius of a Cl- ion 0.181 nm.

Q7

If the value of ionic radius ratio  is 0.52 in an ionic compound, the geometrical arrangement of ions in crystal is

Q8

A metal has bcc structure and the edge length of its unit cell is 3.04 . The volume of the unit cell in cm3 will be

Q9

For an ionic crystal of the general formula AX and coordination number 6, the value of radius ratio will be

Q10

Sodium metal crystallizes as a body centred cubic lattice with the cell edge 4.29 . What is the radius of sodium atom?