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Explanation:
Electronic configuration of two elements A and B are given below
A = 2,8,1 and B = 2,7
Which of the following is not true about the compound formed between A and B ?
A) Molecular formula is AB
B) Non-volatile ✔
C) Ionic in nature
D) Soluble in Non-polar solvent
Explaination :-
As we know that :-
Atomic number of A is 11
It means,
A is Na.
And
Atomic number of B is 9
It means,
B is F.
Compound formed between Na and F is NaF (sodium fluoride). It has molecular formula AB.
It is ionic in nature.
It is soluble in Non-polar solvent.
It is volatile.
Hence,
Option B is correct.
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