Question 1:
Table 4.13 shows three transition elements that exist in gems.
(a) What are the special characteristics of the transition elements shown in Table 4.13?
(b) Apart from the characteristics given in 1(a), what are the other characteristics found in transition elements?
Answer:
(a) Transition elements form coloured ions
(b) Have different oxidation numbers / form complex ions
Table 4.13 shows three transition elements that exist in gems.
(a) What are the special characteristics of the transition elements shown in Table 4.13?
(b) Apart from the characteristics given in 1(a), what are the other characteristics found in transition elements?
Answer:
(a) Transition elements form coloured ions
(b) Have different oxidation numbers / form complex ions
Question 2:
Give examples of several transition elements used in industry.
Answer:
Haber Process – iron filings / Contact Process – vanadium(V) oxide
Give examples of several transition elements used in industry.
Answer:
Haber Process – iron filings / Contact Process – vanadium(V) oxide