The incorrect order of the force of attraction among the given species is :
1. \(\mathrm{HI}>\mathrm{HBr}>\mathrm{Cl}_2\)
2. \(\mathrm{CCl}_4>\mathrm{CH}_2 \mathrm{Cl}_2>\mathrm{CH}_3 \mathrm{Cl}>\mathrm{CH}_4\)
3. n- Pentane > iso-Pentane > neo-Pentane
4. \(\mathrm{OH}_2>\mathrm{O}\left(\mathrm{CH}_{3})_{2}>\mathrm{OBr}_2\right.\)

The "O$-$N$-$O" bond angle is maximum in:

$\left(a\right)<mspace\; width="1em"></mspace>N_{2}O<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>\left(b\right)N{O_2}^{+}<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>$
$<mspace\; width="1em"></mspace>\left(C\right)N{O_2}^{-}<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>\left(d\right)<mspace\; width="1em"></mspace>N{O_3}^{-}$

Among following molecule $\mathrm{N}—\mathrm{Si}$ bond length is shortest:

(1) $\mathrm{N}({\mathrm{SiH}}_3{)}_3$                           

(2) $\mathrm{N}({\mathrm{SiH}}_3{)}_2$

(3) ${\mathrm{NH}}_2\left({\mathrm{SiH}}_3\right)$                         

(4) All have equal $\mathrm{N}—\mathrm{Si}$ bond length

The geometry with respect to the central atom of the following molecules are:

$\mathrm{N}({\mathrm{SiH}}_3{)}_3;<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>{\mathrm{Me}}_3\mathrm{N};<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>({\mathrm{SiH}}_3{)}_3<mspace\; width="1em"></mspace>\mathrm{P}$

(1) planar, pyramidal, planar

(2) planar, pyramidal, pyramidal 

(3) pyramidal, pyramidal, pyramidal

(4) pyramidal, planer, pyramidal

Incorrect statement regarding ${\mathrm{BF}}_2{\mathrm{NH}}_2$ molecule is :

(1) FBF bond angle $<120\%$                     

(2) HNH bond angle $>109°28\text{'}$

(3) Exhibits intermolecular H-bond             

(4) Hybridization of N-atom is ${\mathrm{sp}}^3$

Molecule that has $\mu$ (observed) greater than $\mu$ (theoretical) is : 

1.	CHCl3	2.
3.		4.

The bond having minimum bond energy is :

(1) $\mathrm{C}—\mathrm{C}$                             

(2) $\mathrm{O}—\mathrm{O}$

(3) $\mathrm{S}—\mathrm{S}$                               

(4) $\mathrm{P}—\mathrm{P}$ 

A gas that should not be collected over water is-

1. ${\mathrm{H}}_2$

2. ${\mathrm{N}}_2$

3. ${\mathrm{CH}}_4$

4. HCl

The correct increasing order of extent of hydrolysis is :
1. ${\mathrm{CCl}}_4<{\mathrm{MgCl}}_2<{\mathrm{AlCl}}_3<{\mathrm{SiCl}}_4<{\mathrm{PCl}}_5$           
2. ${\mathrm{CCl}}_4<{\mathrm{AlCl}}_3<{\mathrm{MgCl}}_2<{\mathrm{PCl}}_5<{\mathrm{SiCl}}_4$
3. ${\mathrm{CCl}}_4<{\mathrm{SiCl}}_4<{\mathrm{PCl}}_5<{\mathrm{AlCl}}_3<{\mathrm{mgCl}}_2$           
4. ${\mathrm{CCl}}_4<{\mathrm{PCl}}_5<{\mathrm{SiCl}}_4<{\mathrm{AlCl}}_3<{\mathrm{MgCl}}_2$

Inorganic benzene reacts with HCl to form a compound ${\mathrm{B}}_3{\mathrm{N}}_3{\mathrm{H}}_9{\mathrm{Cl}}_3$. The protonation occurs at:

(1) B-atom 

(2) N-atom

(3) First at B-atom then rearrangers into N-atom 

(4) First N-atom then rearrangers into B-atom