EASY
Earn 100

Mention the alkaline earth metal has the highest boiling point.

Important Questions on Group 2

EASY
Which one of the following alkaline earth metal ions has the highest ionic mobility in its aqueous solution?
MEDIUM
The alkaline earth metal nitrate that does not crystallise with molecules is:
EASY
Ion having highest hydration enthalpy among the given alkaline earth metal ions is:
EASY
The ion having the highest mobility in aqueous solution is
EASY
A piece of Mg ribbon is heated to redness in nitrogen atmosphere and the treated with water. The gas evolved is
EASY
The element whose salts cannot be detected by flame test is.
EASY
s-block element which cannot be qualitatively confirmed by the flame test is
HARD
Why are alkaline earth metals good reducing agents?
EASY
The activity of alkaline earth metals as reducing agent
MEDIUM
Explain why alkaline earth metals are harder than alkali metals?
HARD
The second ionization enthalpy of an alkaline earth metal is higher than its first ionization energy. Why is it so?
EASY
Which element among group-2 metals has the highest melting point?
MEDIUM

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

EASY
Beryllium and magnesium do not give colour to flame whereas other alkaline earth metals do so. Why?
MEDIUM
Beryllium and magnesium do not give colour to flame whereas other alkaline earth metals do so. Why?         
MEDIUM
The correct order of solubility of the sulphates of alkaline earth metals in water is
MEDIUM
Which pair of the following chlorides do not impart colour to the flame?
HARD
Anhydrous barium nitrate when heated decomposes and oxygen and NO2 gas is evolved. Similarly magnesium nitrate when heated decomposes to give out NO2 gas and oxygen. In both cases corresponding oxides are also formed. Select the correct answer (s) :