List of top Chemistry Questions on GROUP 1 ELEMENTS

Thermal stability order of Group 1 hydroxides is:
Alkali metal with highest first ionization enthalpy is:
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R:
Assertion A: Metallic sodium dissolved in liquid ammonia giving a deep blue solution which is paramagnetic.
Reasons R: The deep blue solution to the formation of amide.
In the light of the above statements, the correct answer from the options below:
The compound which does not exist.

Ion having highest hydration enthalpy among the given alkaline earth metal ions is:

In which form does \(BeCl_{2}\) exist in the solid state, vapor state and high temperature?
(1) Polymeric, Dimeric, Monomeric
(2) Dimeric, Polymeric, Monomeric
(3) Monomeric, Dimeric, Polymeric
(4) Polymeric, Monomeric, Dimeric

Read the following two statements
Statement I: Ionic radius of Li+ is greater than Mg++
Statement II: Lithium and magnesium can't form superoxide

Match List-I with List-II.

 List - I List - II
(a)Li(i)Absorbent for carbon dioxide
(b)Na(ii)Electrochemical cells
(c)KOH(iii)Coolant in fast breeder reactors
(d)Cs(iv)Photoelectric cell

Choose the correct answer from the options given below:

Which of the following is highly basic?

Choose the correct order of density of the alkali metals.

Which of the following statement is incorrect?
Choose the correct order of density of the alkali metals :

Among the following alkaline earth metal halides, one which is covalent and soluble in organic solvents is

HCl was passed through a solution of $CaCl_2$,$MgCl_2$ and $NaCl$. Which of the following compound(s) crystallise(s)?
Among the statements (A)-(D), the correct ones are : (a) Lithium has the highest hydration enthalpy among the alkali metals. (b) Lithium chloride is insoluble in pyridine. (c) Lithium cannot form ethynide upon its reaction with ethyne. (d) Both lithium and magnesium react slowly with $H_2O$ .
The correct order of hydration enthalpies of alkali metal ions is -
The metal that forms nitride by reacting directly with $N_2$ of air, is :
The amphoteric hydroxide is :
Sodium metal on dissolution in liquid ammonia gives a deep blue solution due to the formation of:
What is the colour of the flame on heating potassium in the flame of a Bunsen burner?
Which of the following is an amphoteric hydroxide ?
Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is:
Which alkali metal during flame test will show colour corresponding to maximum wavelength?
Which of the following is not correct ?
Which of the following oxides is most acidic in nature ?