Physical Properties of Group 1 Elements

Which on what a greater boiling point, lithium or sodium? Why?

Why alkaline earth metals have higher boiling point than alkali metals?

Which of the following alkali metal has highest melting point?

Explain the reason for the low boiling points of alkali metals.

Which of the following property is not a characteristic of alkali metals?

Which of the following elements has the maximum density?

The name of the alkali metal which gives golden yellow colour in the flame test is _____ (sodium/magnesium).

Which of the following property is not a characteristic of alkali metals?

Which of the following elements has the maximum density?

Which one of the following properties increases on moving down the group from Li to Cs ?

Among the following, which is an incorrect statement about lithium?

The solubility order for alkali metal fluoride in water is

A fire work gave bright crimson light. It probably contain an element of

How many of the following metal chlorides impart characteristic colour to the oxidising flame?

$\mathrm{L}\mathrm{i}\mathrm{C}\mathrm{l},\mathrm{ }\mathrm{ }\mathrm{N}\mathrm{a}\mathrm{C}\mathrm{l},\mathrm{ }\mathrm{ }\mathrm{K}\mathrm{C}\mathrm{l},\mathrm{ }\mathrm{ }\mathrm{R}\mathrm{b}\mathrm{C}\mathrm{l},\mathrm{ }\mathrm{B}\mathrm{e}\mathrm{C}{\mathrm{l}}_2,\mathrm{ }\mathrm{ }\mathrm{M}\mathrm{g}\mathrm{C}{\mathrm{l}}_2,\mathrm{ }\mathrm{C}\mathrm{a}\mathrm{C}{\mathrm{l}}_2,\mathrm{ }\mathrm{ }\mathrm{S}\mathrm{r}\mathrm{C}{\mathrm{l}}_2,\mathrm{ }\mathrm{ }\mathrm{B}\mathrm{a}\mathrm{C}{\mathrm{l}}_2$

The correct order of hydration enthalpies of $L{i}^{+}, N{a}^{+}, K^{+}, R{b}^{+}$ and $C{s}^{+}$ is:

Determine the relative size of $\mathrm{Cs}$ atom compared to a $\mathrm{Li}$ atom, if their densities are $1.87 \mathrm{g}/\mathrm{cc}$ and $0.53 \mathrm{g}/\mathrm{cc}$ respectively

Assertion $\left(\mathrm{A}\right)$ : Alkali metals are soft and have low melting and boiling points.

Reason $\left(\mathrm{R}\right)$ : This is because interatomic bonds are weak.

Which is a pair of paramagnetic species?

Increasing order of density is -

Increasing order of density is