Question

Fill the missing products in the following reactions.
$$\left( {\text{i}} \right)2MnO_4^ - + 16{H^ + } + 10{I^ - } \to $$       $$2M{n^{2 + }} + 8{H_2}O + \underline {\left( {\text{i}} \right)} $$
$$\left( {{\text{ii}}} \right)2MnO_4^ - + {H_2}O + {I^ - } \to $$       $$2Mn{O_2} + 2O{H^ - } + \underline {\left( {{\text{ii}}} \right)} $$
(i) and (ii) are respectively?

A. $$HI\,\,{\text{and}}\,\,{I_2}$$
B. $${I_2}\,\,{\text{and}}\,\,IO_3^ - $$  
C. $${I_2}\,\,{\text{and}}\,\,{I_2}$$
D. $$IO_3^ - \,\,{\text{and}}\,\,{I_2}$$
Answer :   $${I_2}\,\,{\text{and}}\,\,IO_3^ - $$

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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