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Question

(C) molecule has a non-zero dipole moment if it is polar. $(1)$ Benzene is non-polar $(\mu = 0)$,while anisidine is polar $(\mu 
eq 0)$. $(2)$ $1,4-$

Vedclass · Accepted Answer

$CH_2Cl_2, CHCl_3$

Vedclass · Answer

(C) molecule has a non-zero dipole moment if it is polar. $(1)$ Benzene is non-polar $(\mu = 0)$,while anisidine is polar $(\mu 
eq 0)$. $(2)$ $1,4-$Dichlorobenzene is non-polar due to symmetry $(\mu = 0)$,while $1,3-$Dichlorobenzene is polar $(\mu 
eq 0)$. $(3)$ $CH_2Cl_2$ has a non-zero dipole moment $(\mu 
eq 0)$ because the bond dipoles do not cancel out. Similarly,$CHCl_3$ has a non-zero dipole moment $(\mu 
eq 0)$. Thus,both compounds in this pair are polar. $(4)$ cis-butene is polar $(\mu 
eq 0)$,while trans-butene is non-polar $(\mu = 0)$. Therefore,the correct pair is $CH_2Cl_2, CHCl_3$.

The pair from the following pairs having both compounds with net non-zero dipole moment is

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