Question

 

The solubility in water of sulphates down the Be group is:

Be > Mg > Ca > Sr > Ba. This is due to

Solution

Correct option is

Higher coordinates number

As the size increase, the extent of hydration i.e., coordination number decreases and hence the solubility decreases accordingly.

SIMILAR QUESTIONS

Q1

Among KO2 BaO2 and , unpaired electron is present in 

Q2

For two ionic solids CaO and KI, identify the wrong statement among the following?

Q3

The stability of the following alkali metal chlorides follows the order:

Q4

The product, which is not formed when sodium thiosulphate is added to a natural solution of potassium permanganate, is

Q5

The pair of compound which can exist together in aqueous solution is

Q6

Which pair does not show hydrogen isotopes?

Q7

 

An unknown inorganic compound (X) loses its water of crystallization on heating and its aqueous solution gives the following reactions:

(a)  It gives a white turbidity with dilute HCl solution

(b) It decolourises a solution of iodine in potassium iodide

(c)  It gives a white precipitate with silver nitrate solution which turns black on standing.

Identify the compound (X)

Q8

In photography, sodium thiosulphate is used for

Q9

Which of the following anhydrous halides can be prepared by heating its hydrates form?

Q10

Which of the following is the correct order of gradually decreasing basic nature of the oxides?