First slide
Covalent Bonding
Question

Consider the following compounds in the liquid form : 

O2, HF, H2O, NH3, H2O2, CCl4, CHCl3, C6H6, C6H5Cl

When a charged comb is brought near their flowing stream, how many of them show deflection as per the following figure? 
 

 

Moderate
Solution

Here polar molecules in the liquid form will be attracted/deflected near charged comb.
Polar molecules : HF, H2O, NH3, H2O2, CHCl3, C6H5Cl (6-polar molecules)
Nonpolar molecules : O2, CCl4, C6H6

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