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Why drago’s rulle is valid? Or what are reasons for it’s validity?

Why drago’s rulle is valid?  Or what are reasons for it’s validity?

Grade:12th pass

1 Answers

Umakant biswal
5359 Points
5 years ago
@ pranav 
for any group in general , the formula for calculating the no of hybrid orbitals is group no. of central element + no of atom surrounding the central element ( except oxygen ) – charge on the central element whole divided by 2 . 
the above are the statement of drago rule . 
to simplify 
no of hybrid orbitals . = ½ (V+M+C+A)
THE condition to apply drago rule 
1- the central atom / element should be highly electropositive . 
2- it is generally applicable to nearly all p block element . 
HOPE IT CLEARS YOUR DOUBT 
ALL THE BEST ..

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