Question

Consider the species
$CH_4,NH_{4}^+ and BH_{4}^−.$
Choose the correct option with respect to these species.

• A. They are isoelectronic and only two have tetrahedral structures
• B. They are isoelectronic and all have tetrahedral structures.
• C. Only two are isoelectronic and all have tetrahedral structures.
• D. Only two are isoelectronic and only two have tetrahedral structures.

Answer 1

Answer: (B)

They are isoelectronic and all have tetrahedral structures.

Answer 2

The correct answer is (B) : They are isoelectronic and all have tetrahedral structures.

Fig. Structures

$CH_4,NH_{4}^+ and BH_{4}^−$
are isoelectronic as well as tetrahedral.