JEE Main2015Chemistrys Block ElementsActual
Which of the alkaline earth metal halides given below is essentially covalent in nature?
Options
- AB e C l 2
- BM g C l 2
- CS r C l 2
- DC a C l 2
Correct answer
A. B e C l 2
Step-by-step solution
B e 2 + cation is very small in size and in terms of Fajan's rules brings about polarization of electronic cloud of anion ( C l - ) i.e. B e C l 2 is covalent in nature.