List of top Chemistry Questions on GROUP 1 ELEMENTS

Sodium dissolves in liquid $NH_3$ to give a deep blue solution. This is due to

Monovalent sodium and potassium ions, divalent magnesium and calcium ions are found in

Magnesium burns in air to give

$NaOH$ cannot be stored in a vessel made of aluminium or zinc. A protective layer of oxide is formed on the surface of the metal.

The correct order of solubility of the sulphates of alkaline earth metals in water is $Be > Mg > Ca > Sr > Ba$. This is due to

Which is the correct sequence of solubility of carbonates of alkaline earth metals?

Find wrong statement

Which of the following among alkali metal is most reactive ?

The correct formula of plaster of Paris is

Which of the following is the weakest base?

Which one of the following is a strong base?

In which of the following the hydration energy is higher than the lattice energy?

The alkali metals form salt-like hydrides by the direct synthesis at elevated temperature. The thermal stability of these hydrides decreases in which of the following order?

What is the value of electron gain enthalpy of $Na^+$ if $IE_1$ of $Na = 5.1 \,eV$ ?

Which of the following on thermal decomposition yields a basic as well as acidic oxide ?

Gypsum is added to cement to

Fire extinguishers contain $H_2SO_4$ and which one of the following?

Sodium carbonate extract of a salt containing sulphide ions gives a violet colour with appropriate reagent. The reagent sodium nitroprusside gives violet colour due to the formation of sodium thionitroprusside.

A metal $M$ on heating in nitrogen gas gives $Y. Y$ on treatment with $H_2O$ gives a colourless gas which when passed through $CuSO_4$ solution gives a blue colour. $Y$ is

The correct order of reducing character of alkali metals is

Which one of the following is present as an active ingredient in bleaching powder for bleaching action?

The decarboxylating agent is

Among the following, the compound that is readily soluble in water is

Which of the following has highest ionic radii?

Which of the following compounds has the lowest melting point ?