When sodium is dissolved in liquid ammonia, a solution of deep colour is obtained. The colour of the solution is due to
Red colour of tomato is due to -
Assertion(A) : Blue colour of sky appears due to scattering of light. Reason(R): Blue colour has shortest wavelength among all colours of white light.
The yellow colour of steet lights is due to __________
The orange colour of carrot root is due to the presence of
(A) The purple colour of KMnO_4 is due to the charge transfer transition (R) The intense colour in most of the transition metal complexes is due to d-d transition
f-block elements exhibit different oxidation state, colour, complex formation like properties. The size oflanthanides decreases due to poor screening effect of 4f electrons. It is called lanthanide contraction. Lanthanide hydroxides are basic in nature The colour of lanthanide ion is due to
