d and f Block Elements · Chemistry · COMEDK

Identify the correct statement from the following.

An inorganic compound $$\mathrm{W}$$ undergoes the following reactions: $$ \begin{gathered} W+\frac{\mathrm{Na}_2 \mathrm{CO}_3}{\mathrm{O}_2 / \text ...

The Lanthanoid ion which would form coloured compounds is -------------. Atomic numbers: $$\mathrm{Yb}=70, \quad \mathrm{Lu}=71, \mathrm{Pr}=59, \quad...

Arrange the following ions in the increasing order of their $$\Delta H_{(\text {hydration})}$$ values. $$\mathrm{Cr}^{2+}, \mathrm{Co}^{2+}, \mathrm{M...

The permanganate ion in acid medium acts as an oxidant and gets converted to its lower oxidation state. What would be the spin only magnetic moment of...

Match the compounds given in Column I with their characteristic features listed in Column II .tg {border-collapse:collapse;border-spacing:0;} .tg td...

Choose the incorrect statement from the following

$$\mathrm{Ti}^{2+}$$ is purple while $$\mathrm{Ti}^{4+}$$ is colourless because

A volatile compound is formed by carbon monoxide and

Match the following characteristics of transition metals given in Column I with the examples listed in Column II .tg {border-collapse:collapse;borde...

Find the correct matches of the substances, given in Column I, from their characteristic properties given in Column II. .tg {border-collapse:collaps...

Identify the incorrect statement.

An aqueous solution of X on addition of hydrogen peroxide in ice cold conditions gives blue colour to the ethereal layer. Then, X can be

In 3d-transmission series, which one has the least melting point?

The electronic configuration of Cr$$^{3+}$$ is

Formation of coloured solution is possible, when metal ion in the compound contains

Which of the following forms a colourless solution in aqueous medium?