Physical Properties of Group 2 Elements

Identify the Group-$2$ element which has the highest sublimation enthalpy.

Write the variation of enthalpy of sublimation in the Group-$2$ elements.

The thermal stability of ${\mathrm{BaCO}}_3, {\mathrm{CaCO}}_3, {\mathrm{SrCO}}_3$ and ${\mathrm{MgCO}}_3$ decreases in the order:

The melting and boiling points of these metals are higher than the corresponding alkali metals due to

Which has the highest boiling point among the alkaline earth metal ?

The melting and boiling points of these metals are higher than the corresponding alkali metals due to their smaller sizes. Comment.

$\mathrm{Be}$ has _______, as compared to $\mathrm{Mg}$:

The correct order of density is

Which of the following statements is correct?

Beryllium has less negative value of reduction potentials compared to other alkaline earth metals due to:

${\mathrm{S}}_1$: Beryllium has higher ionisation enthalpy compared to other alkaline earth metals but it has reducing nature.

${\mathrm{S}}_2$: ${\mathrm{Mg}}^{2+}$ion is smaller than ${\mathrm{Li}}^{+}$ ion.

${\mathrm{S}}_3$: ${\mathrm{Li}}_2{\mathrm{CO}}_3$ decomposes on heating to give ${\mathrm{CO}}_2$ gas.

The hydration energy of ${\mathrm{Mg}}^{2+}$ ion is higher than that of _____.

Which of the following statements is incorrect?

Which of the following metals does give characteristic flame colouration?

Solubility of carbonates of alkaline earth metals follows the order-

Which of the following alkaline earth metal does not give out flame test?

Among the following, which alkaline earth metal will do not impart colour to the flame?

'X' is an alkaline earth metal. It forms a basic oxide and gives crimson red colour in flame test. What is the atomic number of 'X'?

${}^{\text{'}}\mathrm{X}^{\text{'}}$ is an alkaline earth metal. It imparts brick red colour to the Bunsen flame. Its oxide is basic in nature. The atomic number of ${}^{\text{'}}\mathrm{X}^{\text{'}}$ is ------.

Based on trends in density, identify the correct answer among the following.