Elements A & B and C have respectively 1,3 and 5 electron in valence shell. Ionic compound formed between
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a
A and C
b
A and B
c
Only A
d
B and C
answer is A.
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Detailed Solution
valence electron Thus, (a) A and C form ionic compound as Li3N.(b) A and B form ionic compound as Na3B.(c) B and B form covalent (electron deficient) compound(d) B and C form ionic compound as AlN.