1
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

Among the given species the isostructural pairs is

A
$$\mathrm{NF}_3$$ and $$\mathrm{BF}_3$$
B
$$\mathrm{BF}_4^{-}$$ and $$\mathrm{NH}_4^{+}$$
C
$$\mathrm{BCl}_3$$ and $$\mathrm{BrCl}_3$$
D
$$\mathrm{NH}_3$$ and $$\mathrm{NO}_3^{-}$$
2
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is correct?

A
$$s p^3$$-hybrid orbitals have equal $$s$$ and $$p$$ character
B
The bond angle decreases with the decrease of $$s$$ character of a hybridized orbital
C
Resonance decreases the stability of a molecule
D
Resonance is due to delocalization of sigma electrons
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