$EAN$ of complex $[Fe(C_2O_4)_3]^{3-}$ is

The colour of $KMnO_4$ is due to

The molecular formula of diphenylmethane is $C_{13}H_{12}$. How many structural isomers are possible when one hydrogen atom is replaced by a chlorine atom?

The calculated magnetic moment (in Bohr magnetons) of $Cu^{2+}$ ion is

Which equilibrium can be described as an acid-base reaction using the Lewis acid-base definition but not using the Bronsted-Lowry definition?

$A$ tube of length $L$ is filled completely with an incompressible liquid of mass $M$ and closed at both ends. The tube is then rotated in a horizontal plane about one of its ends with a uniform angular velocity $\omega$. The force exerted by the liquid at the other end is