List of top Chemistry Questions on GROUP 2 ELEMENTS

X, Y, Z are calcium compounds. X is a primary raw material for manufacturing cement. Y is used to recover ammonia in Solvay process and Z is employed for making casts of statues. Identify the incorrect statement from the following:

The correct order of density is

The pair of elements that form both oxides and nitrides, when burnt in air are

Reaction of \(BeCl_2\) with \(LiAlH_4\) gives :

1. \(AlCl_3\)
2. \(BeH_2\)
3. \(LiH\)
4. \(LiCl\)
5. \(BeAlH_4\)

Choose the correct answer from the options given below :

Which one of the following alkaline earth metal ions has the highest ionic mobility in its aqueous solution?

All the elements of group 2 react with water to form metal hydroxide and hydrogen, except the element

The structures of beryllium chloride in solid state and vapour phase, are :

What is the role of gypsum, $CaSO_{4}.2H_{2}O$ in setting of cement ? Identify the correct option from the following :

Aqueous solution of a salt $(A)$ forms a dense white precipitate with $BaCl_2$ solution. The precipitate dissolves in dilute $HCl$ to produce a gas $(B)$ which decolourises acidified $KMnO_4$ solution $A$ and $B$ respectively are :

The method used to remove temporary hardness of water is:

Which of the following is an amphoteric hydroxide?

The correct sequence of thermal stability of the following carbonates is

The metal used for making $X$-ray tube window is :

The normal dehydrating agent, used in a laboratory is

Which of the following oxides is most acidic in nature ?

Of the following, which species is primarily obtained in a solution containing $ KHF_2 $ ?

Which of the following is not present in Portland cement?

The commercial name for calcium oxide is :

The suspension of slaked lime in water is known as

The correct order of thermal stability of hydroxides is :

Which one the following removes temporary hardness of water ?

The salt which responds to dilute and concentrated $H_2SO_4$ is

Property of the alkaline earth metals that increases with their atomic number is

The metal that cannot be obtained by electrolysis of an aqueous solution of its salts is

The decomposition temperature is the lowest for