The formal charges on the atoms marked as (1) to (4) in the Lewis representation of $\mathrm{HNO}_3$ molecule respectively are

The correct increasing order of C–H(A), C–O(B), C=O(C) and C≡N(D) bonds in terms of covalent bond length is :

Given below are two statements :

Statement I : The correct order in terms of bond dissociation enthalpy is Cl₂ > Br₂ > F₂ > I₂.

Statement II : The correct trend in the covalent character of the metal halides is [SnCl₄ > SnCl₂], [PbCl₄ > PbCl₂] and [UF₄ > UF₆].

In the light of the above statements, choose the correct answer from the options given below :

Given below are two statements :

Statement I :

The number of species among $\mathrm{SF}_4, \mathrm{NH}_4^{+},\left[\mathrm{NiCl}_4\right]^{2-}, \mathrm{XeF}_4,\left[\mathrm{PtCl}_4\right]^{2-}, \mathrm{SeF}_4$ and $\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$, that have tetrahedral geometry is 3 .

Statement II :

In the set [ $\mathrm{NO}_2, \mathrm{BeH}_2, \mathrm{BF}_3, \mathrm{AlCl}_3$ ], all the molecules have incomplete octet around central atom.

In the light of the above statements, choose the correct answer from the options given below: