Question

The stability of dihalides of Si, Ge, Sn and Pb increases steadily in the sequence

Solution

Correct option is

SiX2 << GeX2 << SnX2 << PbX2

Inert pair effect becomes more predominant down the group and hence the stability of dihalides increases down the group.

SIMILAR QUESTIONS

Q1

Which of the following allotropic forms of carbon is isomorphous with crystalline silicon?

Q2

A metal, M forms chlorides in +2 and +4 oxidation states. Which of the following statements about these  chlorides is correct?

Q3

In which of the following silicates, cyclic structure is present?

Q4

Al2O3 can be converted to anhydrous AlCl3 by heating

Q5

The number of isomers possible for disubstituted borazine, B3N3H3X2 is

Q6

Which of the following oxidation states are the most characteristic for lead and tin respectively: 

Q7

The correct order of C – O bond length among CO, , CO2 is: 

Q8

White lead is

Q9

Water transported through lead pipes becomes poisonous due to the formation of

Q10

Name of the structure of silicates in which three oxygen atoms of [SiO4]4–are shared is: