Odisha Board Solutions for Chapter: d- Block Elements : Transition Elements, Exercise 1: QUESTIONS

Which of the following statements(s) is (are) correct when a mixture of $\mathrm{NaCl}$ and ${\mathrm{K}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7$ is gently warmed with conc. ${\mathrm{H}}_2{\mathrm{SO}}_4$ ?

Out of the following identify the $\mathrm{d}$-block element.

Which of the following statements about transition metals in wrong ?

Acidified potassium permanganate solution is decolourised by

Which one of the metals does not form amalgam ?

Which ion is not coloured ?

Paramagnetic behaviour in transition metal is due to the presence of

The general electronic configuration of transition elements is