Class 11 Chemistry - Chapter Chemical Bonding and Molecular Structure NCERT Solutions | Draw the Lewis structures for the follow

Welcome to the NCERT Solutions for Class 11th Chemistry - Chapter Chemical Bonding and Molecular Structure. This page offers a step-by-step solution to the specific question from Excercise ".$ex_no." , Question 4: draw the lewis structures for the following molecu....
Question 4

Draw the Lewis structures for the following molecules and ions: H2S, SiCl4, BeF2, , HCOOH

Answer

1) H2S H has 1 electron in its valence shell & sulphur has 6 electron its valence shell. A planar structure will be formed

 

2) Si has 4 electrons its valence shell & Cl need only 1 electron to complete its octet, therefore 4 Cl will make 4 bonds with Si.A tetrahedral shape will be formed    

             

 

3) Be has 2 electrons in its valence shell & Fe has 2 electrons in its valence shell, so they make a planar structure

 

4) here C has 4 electron its valence shell, therefore it can make 4 bond with other atoms, whereas O has 6 electrons in its valence shell, it can accept 2 electron easily to complete its octet, therefore one O will make a double bond with C , while other two O will make 2 single bond with C.

 

5) HCOOH- C has 4 electron its valence shell, therefore it can make 4 bond with other atoms, whereas O has 6 electrons in its valence shell, it can accept 2 electron easily to complete its octet,

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