Question

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

Solution

Correct option is

MgO, Al2O3, SO3, Cl2O7.

MgO is basic, Al2O3 is amphoteric SO3 and Cl2O7 both are acidic but Cl2O7 is more acidic than SO3.

SIMILAR QUESTIONS

Q1

KO2 (potassium superoxide) is used in oxygen cylinders in space and submarnies because it 

Q2

A metal M readily forms water soluble sulphate MSO4, water insoluble hydroxide M(OH)2 and oxide MO which becomes inert on heating. The hydroxide is soluble in NaOH. The metal M is

Q3

On dissolving moderate amount of sodium metal in liquid NH3 at low temperature, which one of the following does not occur?

Q4

Which of the following chemicals is not present in clear hard water?

Q5

Identify the least stable ion amongst the following

Q6

Which of the following has maximum lattice energy?

Q7

 

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

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

Q8

KO2 (potassium superoxide) is used in oxygen cylinders in space and submarnies because it 

Q9

A metal M readily forms water soluble sulphate MSO4, water insoluble hydroxide M(OH)2 and oxide MO which becomes inert on heating. The hydroxide is soluble in NaOH. The metal M is

Q10

On dissolving moderate amount of sodium metal in liquid NH3 at low temperature, which one of the following does not occur?