MHT CET202120 Sep 2021Evening ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual
What is the number of allotropes of selenium?
Options
- A2
- B4
- C5
- D6
Correct answer
A. 2
Step-by-step solution
Selenium exists in two allotropic forms, red (non-metallic) and grey (metallic).