Question

Under which category iodine crystals are placed among the following?

Solution

Correct option is

Molecular crystal

In iodine crystals, the constituent particles are iodine molecules and they are held together by weak van der waal’s forces. Thus, iodine crystal is an example of molecular solid. 

SIMILAR QUESTIONS

Q1

Which of the following statements about amorphous solids is incorrect?

Q2

An alloy of Cu, Ag and Au is found to have Cu forming the simple cubic closed packed lattice. If the Ag atoms occupy the face centres and Au is present at the body centre, the formula of the alloy will be

Q3

If the radius ratio is in the range of 0.414 – 0.732, then the coordination number will be

Q4

Quartz is a crystalline variety of

Q5

 

X – ray analysis shows that the unit cell length in NaCl is 562.8 pm. Calculate the density you would expect on this basis,

NA = 6.023 × 1023 mol-1.

Q6

If the distance between Na+ and Cl- ions in NaCl crystal is ‘a’ pm what is the length of the cell edge?

Q7

A crystalline solid

Q8

The three states of matter are solid, liquid and gas. Which of the following statement is/are true about them?

Q9

A compound is formed by elements A and B. this crystallizes in the cubic structure when atoms A are at the corners of the cube and atoms B are at the centre of the body. The simplest formula of the compound is

Q10

Which of the following is non – crystalline solid?