Recent questions and answers in s - Block Elements (Alkali and Alkaline Earth Metals)

Identify the correct statement from the following. (1) Lithium chloride is deliquescent and crystallises as a hydrate, LiCI·H2O. (2) The order of hydration enthalpies of alkaline earth cations Be2+ < Mg2+ < Ca2+ < Sr2+ < Ba2+ (3) Lithium and Magnesium show ...

The metal mainly used in devising photoelectric cells is : (1) Li (2) Rb (3) Cs (4) Na

Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field? (a) K (b) Rb (c) Li (d) Na

The alkaline earth metal nitrate that does not crystallise with water molecules, is : (1) Sr(NO3)2 (2) Mg(NO3)2 (3) Ca(NO3)2 (4) Ba(NO3)2

Which of the following is an amphoteric hydroxide? (1) Sr(OH)2 (2) Ca(OH)2 (3) Mg(OH)2 (4) Be(OH)2

Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is : (1) Be (2) Mg (3) Ca (4) Sr