CBSE Class 12-science Answered
on heating crystals of KClin potassium vapours ,the crystals start exhibiting a violet colour ,why?
Asked by vatsala srivastava srivastava | 19 May, 2014, 12:35: PM
Expert Answer
- In presence of excess of potassium, Cl- ions leave their lattice sites creating anion vacancies which are occupied by electrons given out by potassium.
- These are called F- centres and are responsible for colour.
Answered by Vaibhav Chavan | 19 May, 2014, 02:00: PM
Concept Videos
CBSE 12-science - Chemistry
Asked by bobbyayana | 12 Feb, 2021, 12:10: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by oriliyum8 | 07 Dec, 2020, 10:28: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by Avadhut Katkar | 23 Aug, 2018, 06:48: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by santrarindam2002 | 19 Jun, 2018, 10:34: AM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by gargimoitreyee | 12 Mar, 2018, 11:54: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by Topperlearning User | 17 Jun, 2016, 10:30: AM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT