Question

building molecular models

#of Electron Dot Model Valence Form 3D shape Central Atom Molecular Electron Molecular Geometry Formula CH4 CH2CI2 Н.0. NH3

Answer 1

Answer :

CHMehane) Im CHy e eentral atom is earbon Ahich ts sp bidrs ed. So central afom moleculon geometry is tetra hedre Mode! 3D Shape Tetrahedral H C H H Electron dot form H:C: H t Mumber ot valance electrom 9 Casrbom atom has 4 -valance electron and eack H has valance e totol va lanie efectrom 4 +41)

Dichloro methane tCentrol Atom mo le eu laor geome try Hne also central afom is C -afam kit is Sp hybridised S moteculo geome tetrahedral t Model 3D-shapeTetrahedral H Eleciron Dot. Form FNumber. of valance eleciron Coorbon kas 4- valance elec fvom Eatk kas 4 -Valance electron Each has 7- valance elec fron So total valante elechran- 4+ al1)12(1)

( Hydrgen peroxde) tcentral afom moleculor geomelry Each 0-is sp3 Aybidised. So jesmet around each 0-atom is te frahedral. Madel 3D shape: Skewed Shape H X7- plent O. H:0: O:H Mo. of. valanee electrom Eack 0-atom hor 6-valance elec fran Each H -afom has 1valance e/ectran l)t A) . Total valance eletron = 14

N (Ammonia Central tom Moleculr geomej Here eentral afam s N -afom which is Sp Aybridised. Sa melecular geometry is tetra he drai , but due to the presence of ne lone pair its shape is Pyra midal. 3D shope: Pyra mi dal H # Electan pof For m H:N: H Yalance Electrom ? N- has 5 val ance elec fron Eatk H-atom has valance elecfran Toral valance electrom - 5t2 B

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