Question

In which of the following pairs, both the species are not isostructural ?

• A. ${ NH3, PH3}$
• B. ${ XeF4, XeO4}$
• C. ${ SiCl4, PCl_4^+}$
• D. Dimond, silicon carbide

Answer 1

Answer: (B)

${ XeF4, XeO4}$

Answer 2

(iv) Diamond & SiC both are isostructural because both have tetrahedral arrangement and central atom is $sp^3$ hybridised.