Question

Following order is observed in oxidising power of certain ions : $$VO_2^ + < C{r_2}O_7^{2 - } < MnO_4^ - $$
The reason for this increasing order of oxidising power is

A. increasing stability of the lower species to which they are reduced  
B. increasing stability of the higher species to which they are oxidised
C. increasing stability of the higher species to which they are reduced
D. increasing stability of the lower species to which they are oxidised
Answer :   increasing stability of the lower species to which they are reduced

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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