Download the app

Questions  

Number of - bonds in Sulphite ion is/are ‘X’.Number of lone pairs in Sulphite ion is/are ‘Y’. Difference between X and Y is

Remember concepts with our Masterclasses.

80k Users
60 mins Expert Faculty Ask Questions
a
7
b
6
c
9
d
8

Ready to Test Your Skills?

Check Your Performance Today with our Free Mock Tests used by Toppers!

detailed solution

Correct option is C

Number of electron pairs(EP)=V+M-C+A2; V=Group number of central atom; M=-H, -X, -OH....monovalent groups attached to central atom ; C=Charge of cation ; A=Charge of anion...1 in NO3-, 1 in NO2-, 1 in ClO4-,1 in ClO3-,1 in ClO2-,1 in ClO-,2 in CO32- ;                               ....2 in SO32-, 2 in SO42-, 3 in PO43-, ; V=2,3.4,5,6,7,8 respectively for 2nd,13th,14th,15th, 16th,  17th, 18th group elements ; Number bond pairs, BP(according to VSEPR theory)=Number of atoms directly attached to central atom;                                                                                                  =3 for SO32- ***According to VSEPR theory, double bond and triple bond are counted as one bond pair only ; If the bonded atom is Oxygen..... Magnitude of Oxidation state of central atom= Total bonds ; Number of atoms directly attached to central atom=sigma bonds ; Total bonds-sigma bonds = pi bonds ; Number lone pairs on central atom(LP)=EP-BP ;                                                                           =1 in SO32- ; SO32--'3' bp +'1' lp on central atom ; sp3-Pyramidal ;                                                                   ....Orientation of electron pairs....Tetrahedral ;                                                                  ....Total 9 lone pairs/molecule ;  Note; Each double bonded oxygen atom has '2' lone pairs on it ;           Each single bonded oxygen atom with a negative charge has three lone pairs on it ; SO32- : Magnitude of Oxidation state of central atom= Total bonds=4 ; Number of atoms directly attached to central atom=sigma bonds=3 ; Total bonds-sigma bonds =1 pi bond.....'1' dπ-pπ bond ; Number of resonance structures=3 ; S-O bond order =Total bondsTotal resonance structures=43=1.33 ;

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?

ctaimg

Create Your Own Test
Your Topic, Your Difficulty, Your Pace


Similar Questions

Statement 1: In H2O molecule, O-atom has two lone pairs, of electron.
Statement 2: The geometry of H2O is tetrahedral due to two sp3- hybrid orbitals.


whats app icon
phone icon