Why do lanthanides occur together in nature and their separation is difficult?
Because of their small size
Because of their large size
Because they occur with transition metals.
None of the above.
The size difference among lanthanides is less pronounced, so they occur together and are difficult to separate.
Study 40% syllabus and score up to 100% marks in JEE
5 g of Na2SO4 was dissolved in x g of H2O. The change in freezing point was found to be 3.820C. If Na2SO4 is 81.5% ionised, the value of x (K

A capacitor is made of two square plates each of side 'a' making a very small angle
A solution of m-chloroaniline, m-chlorophenol and m-chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of NaHCO3 to give fraction A. The leftover organic phase was extracted with d