Question

Which of the following show maximum number of allotropic forms?

Solution

Correct option is

Sulphur

 

Oxygen-Ordinary oxygen and ozone

Sulphur-Rhombic, monoclinic, plastic, amorphous

Selenium-Red form, grey form

Polonium-α & β. Thus sulphur shows maximum number of allotropic forms.

SIMILAR QUESTIONS

Q1

Chlorine cannot displace

Q2

Sulphuric acid reacts with PCl5 to give

Q3

 

The following acids have been arranged in order of decreasing acid strength. Identify the correct order. ClOH

(I), BrOH (II), IOH (III)

Q4

Which of the following oxides is neutral?

Q5

Xenon forms compounds only with

Q6

It is recommended that liquor ammonia bottles should be opened after cooling them in ice for sometime. This is because liquor ammonia

Q7

In the manufacture of safety matches we use 

Q8

Bromine can be liberated from potassium bromide solution by the action of

Q9

Phosphine is produced by adding water to

Q10

Iron when treated with conc. nitric acid