A) \[N{{O}^{+}}\] is not isoelectronic with\[{{O}_{2}}\]
B) B is always covalent in its compounds
C) In aqueous solution, the \[T{{l}^{+}}\]ion is much more stable than Tl (III)
D) \[LiAl{{H}_{4}}\] is a versatile reducing agent in organic synthesis.
Correct Answer: A
Solution :
| [a] \[N{{O}^{+}}=7+8-1=14{{e}^{-}}.\] |
| \[{{O}_{2}}=16{{e}^{-}}~\] |
| i.e not iso-electronic |
| [b] Boron forms only covalent compounds. This is due to its extremely high ionization energy |
| [c] Compounds of \[T{{l}^{+}}\] are much more stable than those of \[T{{l}^{3+}}\] |
| [d] \[LiAl{{H}_{4}}\] is a versatile reducing agent in organic synthesis |
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