Given below are two statements. Statement I : $\mathrm{O}_{2, a, \mathrm{Cu}^{2+}}$ and $\mathrm{Fe}^{3+}$ are weakly attracted by magnetic field and are magnetized in the same...

The number of molecule(s) or ion(s) from the following having non-planar structure is_______.$\mathrm{NO}_3, \mathrm{H}_2 \mathrm{O}_2, \mathrm{BF}_3, \mathrm{PCl}_3, \mathrm{XeF}_4, \mathrm{SF}_4, \mathrm{XeO}_3, \mathrm{PH}_4^{+}, \mathrm{SO}_3,\left[\mathrm{Al}(\mathrm{OH})_4\right]^{-}$

Match List I with List II : Choose the correct answer from the options given...

Arrange the following in increasing order of their covalent character.
(A) $\mathrm{CaF}_2$
(B) $\mathrm{CaCl}_2$
(C) $\mathrm{CaBr}_2$
(D) $\mathrm{Cal}_2$

Among the following species $$ \mathrm{N}_2, \mathrm{~N}_2^{+}, \mathrm{N}_2^{-}, \mathrm{N}_2^{2-}, \mathrm{O}_2, \mathrm{O}_2^{+}, \mathrm{O}_2^{-}, \mathrm{O}_2^{2-} $$ the number of species showing diamagnetism is

Number of lone pairs of electrons in the central atom of $\mathrm{SCl}_2, \mathrm{O}_3, \mathrm{ClF}_3$ and $\mathrm{SF}_6$, respectively, are in

Which of the following pair of molecules contain odd electron molecule and an expanded octet molecule?

Given below are two statements : One is labeled as Assertion A and the other is labeled as Reason R
Assertion A : Zero orbital...

Match List - I with List - II. Choose the correct answer from the options given...

Amongst $\mathrm{SF}_4, \mathrm{XeF}_4, \mathrm{CF}_4$ and $\mathrm{H}_2 \mathrm{O}$, the number of species with two lone pairs of electrons $\_\_\_\_$