yes.
non-polar
Yes.
http://www.sparknotes.com/chemistry/organic1/covalentbonding/problems_1.html#explanation2 The 5 structures are drawn in the answer to number 2
It is a polar molecule and has polar bonds.
Polar
It is Polar
PBr3 is non-polar: the dipole moment of PBr3 is zero and therefor it is non-polar.
http://www.sparknotes.com/chemistry/organic1/covalentbonding/problems_1.html#explanation2 The 5 structures are drawn in the answer to number 2
yes synthesis of phenanthrene is an exceptional case of perkin reaction.here acetate ion is added to aromatic aldehydes though acetic anhydrides usually work it out
No its not polar
It is a polar molecule and has polar bonds.
Polar contains polar. Non-polar contains nothing.
Polar
Polar
Nonpolar
ClO4 is polar.
polar
It is Polar
PBr3 is non-polar: the dipole moment of PBr3 is zero and therefor it is non-polar.