Chemical Bonding and Molecular Structure

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

1. Statement I is false but Statement II is true
2. Both Statement I and Statement II are true
3. Statement I is true but Statement II is false
4. Both Statement I and Statement II are false

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

1. A-IV, B-I, C-III, D-II
2. A-II, B-IV, C-III, D-I
3. A-IV, B-II, C-I, D-III
4. A-III, B-II, C-I, D-IV

The number of molecules/ions that show linear geometry among the following is . SO2, BeCl2, CO2, N3-, NO2, F2O, XeF2, NO2+, I3-, O3

Arrange the following compounds in increasing order of their dipole moment : HBr, H2S, NF3 and CHCl3

1. HBr < H2S < NF3 < CHCl3
2. H2S < HBr < NF3 < CHCl3
3. NF3 < HBr < H2S < CHCl3
4. CHCl3 < NF3 < HBr < H2S

In which one of the following pairs the central atoms exhibit sp2 hybridization ?

1. BF3 and NO2-
2. NH2- and BF3
3. NH2- and H2O
4. H2O and NO2

The total number of species from the following in which one unpaired electron is present, is . N2, O2, C2-, O2-, O22-, H2+, CN-, He2+

The correct increasing order for bond angles among BF3, PF3 and ClF3 is :

1. BF3 = PF3 < ClF3
2. BF3 < PF3 < ClF3
3. ClF3 < PF3 < BF3
4. PF3 < BF3 < ClF3

Total number of electrons present in ( ) molecular orbitals of O2, O2+ and O2- is .

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

1. A-II, B-IV, C-I, D-III
2. A-III, B-I, C-IV, D-II
3. A-IV, B-III, C-I, D-II
4. A-III, B-IV, C-I, D-II

Number of molecules from the following which are exceptions to octet rule is . CO2, NO2, H2SO4, BF3, CH4, SiF4, ClO2, PCl5, BeF2, C2H6, CHCl3, CBr4