A) Be, Al
B) Al, Be
C) Be, Ca
D) Mg, Ca
Correct Answer: A
Solution :
Covalent halides are formed by Be and Al among the metals given. The halide of Al, ie, \[A{{l}_{2}}C{{l}_{6}}\]becomes ionic in polar solvent. Hence Y is Al. Halide of Be is a polymer in solid sta l te. Thus X is Be.You need to login to perform this action.
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