1000 Questions Group IV

Question 1

Compare the physical properties of CO₂ and SiO₂.

Question 2

Compare the difference in properties between graphite and diamond.

Question 3

Compare the reaction with water of the chlorides of C and Si. Account for any differences.

Question 4

Explain what is meant by saying that CO is isolectronic with N₂.

Question 5

For the systems:

$Sn^4^+ +2e^-\rightarrow Sn^2^+\: \: \: E^o=0.15V$

$PbO_2+4H^++2e^-\rightarrow Pb^2^++2H_2O\: \: \: E^o=1.46V$

which of the following reactions is most like to occur:

$PbO_2+4H^++Sn^2^+\rightarrow Pb^2^++Sn^4^++2H_2O$ or

$Pb^2^++Sn^4^++2H_2O\rightarrow PbO_2+4H^++Sn^2^+$

Question 6

Suggest the steps that GeCl₄ might undergo when it reacts with water.

Question 7

Question 8

Question 9

Question 10