Chemical Bonding And Molecular Structure Question 421

Question: Which of these statements is not true-

Options:

A) NO+ is not isoelectronic with O2

B) B is always covalent in its compounds

C) In aqueous solution, the Tl+ ion is much more stable than Tl (III)

D) LiAlH4 is a versatile reducing agent in organic synthesis.

Show Answer

Answer:

Correct Answer: A

Solution:

  • NO+=7+81=14e. O2=16e  i.e not iso-electronic

[b] Boron forms only covalent compounds. This is due to its extremely high ionization energy

[c] Compounds of Tl+ are much more stable than those of Tl3+

[d] LiAlH4 is a versatile reducing agent in organic synthesis



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