List of top Chemistry Questions on GROUP 1 ELEMENTS

Which of the following among alkali metal is most reactive ?
Which of the following statements about $Na_2O_2$ is not correct?
Lithium shows diagonal relationship with
A metallic oxide reacts with water to form its hydroxide, hydrogen peroxide and also liberates oxygen. The metallic oxide could be
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
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?
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?
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