Question

Iron exhibits $$ + 2$$  and $$ + 3$$  oxidation states. Which of the following statements about iron is incorrect?

A. Ferrous oxide is more basic in nature than the ferric oxide.
B. Ferrous compounds are relatively more ionic than the corresponding ferric compounds.
C. Ferrous compounds are less volatile than the corresponding ferric compounds.
D. Ferrous compounds are more easily hydrolysed than the corresponding ferric compounds.  
Answer :   Ferrous compounds are more easily hydrolysed than the corresponding ferric compounds.
Solution :
$$F{e^{3 + }}$$  is easily hydrolysed than $$F{e^{2 + }}$$  due to more positive charge.

Releted MCQ Question on
Inorganic Chemistry >> D and F Block Elements

Releted Question 1

When same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volume of hydrogen evolved is

A. $$1:1$$
B. $$1:2$$
C. $$2:1$$
D. $$9:4$$
Releted Question 2

Which of the following is the weakest base

A. $$NaOH$$
B. $$Ca{\left( {OH} \right)_2}$$
C. $$KOH$$
D. $$Zn{\left( {OH} \right)_2}$$
Releted Question 3

One of the constituent of German silver is

A. $$Ag$$
B. $$Cu$$
C. $$Mg$$
D. $$Al$$
Releted Question 4

Which of the following dissolve in hot conc.$$NaOH$$  solution

A. $$Fe$$
B. $$Zn$$
C. $$Cu$$
D. $$Ag$$

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D and F Block Elements


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