Grade 11Physical Chemistry

Does the formula which is given in your notes for determination of total number of hybrid orbitals apply to molecules like CH4, NH3, etc. ?

Pranjal Singh

12 Years agoGrade 11

1 Answer

Kamlesh Kumar

12 Years ago

applying this formula you can find out hybridisation in any molecule....

S =sum of valence electrons, if S is less than or equal to 8

then no. of hybrid orbitals=----

2 S

and if S is greater than 8 then no of hybrid orbitals =-----

e.g in CH₄ S = 4+1 X 4=8 , so no of hybrid orbitals=----= 4 i.e Sp³

e.g in I₃^--S= 3 X 7 + 1 = 22

NO. OF HYBRID ORBITALS =----- = 2 + 3=5 that is Sp³d hybridisation

after dividing by 8 or 2 if there is some remainder then divide it by 2 and add like 2+3

thanks&regards

kamlesh kumar

askiitians faculty

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Does the formula which is given in your notes for determination of total number of hybrid orbitals apply to molecules like CH4, NH3, etc. ?

Pranjal Singh

1 Answer

Kamlesh Kumar

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