Trying to find the right answer to this..

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

The p-Block Elements

Short Answer Type

491. The brown colour of an acidified dilute solution of iodine in aqueous potassium iodide is intensified by the addition of a nitrite but is discharged by the addition of sulphite.

168 Views

492. With what neutral molecule is CIO^– iso– electronic?

204 Views

493. Why is OF₆ compound not known?

756 Views

494. Noble gases have very low boiling points. Why?

noble gas have configuration 1s² 2s² 3p⁶ thus it have complete shell configuration hence can exist in monoatomic form. Noble gases being monoatomic have no interatomic forces except weak dispersion forces and therfore, it is difficult to liquify them. As a consequence, they have low boiling points.

337 Views