List of top Chemistry Questions on Halides and Hydrides of alkali asked in TS EAMCET

The correct order of hydration enthalpy of ions of Li, Na, Mg, Ca is

The pair of s-block metals which do not form solid hydrogen carbonates is

The alloy of Li with 'X' is used to make armour plates. What is 'X'?

Ions of an element X is required for interneuronal transmission. Ions of an element Y helps in the transport of sugars into cells. X and Y are respectively

Which of the following compounds are correctly matched with their uses?

Identify the correct statements
I. Lithium halides are somewhat covalent in nature
II. NaNO$_3$ on heating gives NO$_2$ gas
III. LiHCO$_3$ is a solid
IV. All alkali metals form ethynides on reaction with ethyne

Among alkaline earth metals, metal with least melting point is:

Identify correctly matched sets:
I. NaHCO$_3$ - fire extinguisher
II. Na$_2$CO$_3$ - water softening
III. NaOH - purification of bauxite