Chemical Properties of Group 2 Elements

On allowing ammonia solution of s-block metals to stand for a long time, blue colour becomes fade. The reason is:-

Magnesium on reaction with very dilute ${\mathrm{HNO}}_3$ gives

Magnesium burn in air forming magnesium oxide and _____. (write name)

Philosopher's wool when heated with $\mathrm{BaO}$ at $1100°\mathrm{C}$ gives a compound. Identify the compound.

The element whose salts cannot be detected by flame test is.

$\mathrm{Ca}$ bums with ${\mathrm{N}}_2$ to produce a white powder which dissolves in water to give a gas $\text{'}\mathrm{X}\text{'}$' and a solution with $\mathrm{pH}>7.$ The solution on exposure to air produces a thin solid layer of $\text{'}\mathrm{Y}\text{'}$ on the surface. The compounds $\text{'}\mathrm{X}\text{'}$ and $\text{'}\mathrm{Y}\text{'}$ are ______

Complete the following reaction:

$\mathrm{Mg} + {\mathrm{C}}_2{\mathrm{H}}_2 \to ?$

Which of the following elements reacts with alcohols to give alkoxides?

The reaction of alkaline earth metals with alcohols is an example of which of the following type of reactions?

Give the reaction of alkaline earth metals with alcohols with an example.

What happens when ($i$) magnesium is burnt in air ($ii$) quick lime is heated with silica ($iii$) chlorine reacts with slaked lime ($iv$) calcium nitrate is heated?

The incorrect statement is:

Which of the following $\mathrm{s}$-block metal does not react with water?

Which are correct statements for $\mathrm{Be}$ and $\mathrm{Al}$?

Write balanced chemical equation for — Magnesium is heated in air.

In context with beryllium, which one of the following statements is incorrect?

Among the following halides, the one which has the least water of crystallisation (i.e. less than six) in hydrated molecule is:

A ribben of magnesium was heated to redness in an atmosphere of nitrogen and on cooling water was added, the gas evolved was: