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Which substance has a dipole moment?
(a) CCl4
(b) CH2Cl2
(c) C2Cl2
(d) C2Cl4

Amit Saxena , 11 Years ago
Grade upto college level
anser 1 Answers
Akshay Meena

Last Activity: 11 Years ago

CCl4 and CH2Cl2

They Both are in a tetrahedral configuration, so the two Cl atoms in CH2CL2 do not cancel out, they are additive. Hence DM >0 But in CCl4 having same tetrahedral configuration and their Cl group is Cancelling out each other. Hence DM=0

C2Cl2 and C2Cl4

C2Cl2 is a linear molecule Cl-CC-Cl so its dipole moment becomes zero and it behaves as a non polar molecule
C2Cl4 is symmetrical and is nonpolar.Hence DM=0

So, The Ans is (A)

 

Thanks & Regards
Akshay Meena, 
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M.Tech, IIT Kharagpur

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