Question

The black compound formed during the reaction between sodium thiosulphate and silver nitrate is

A. silver thiosulphate $$\left( {A{g_2}{S_2}{O_3}} \right)$$  
B. silver sulphide $$\left( {A{g_2}S} \right)$$
C. silver sulphate $$\left( {A{g_2}S{O_4}} \right)$$
D. silver sulphite $$\left( {A{g_2}S{O_3}} \right)$$
Answer :   silver thiosulphate $$\left( {A{g_2}{S_2}{O_3}} \right)$$
Solution :
$$2AgN{O_3} + N{a_2}{S_2}{O_3} \to A{g_2}{S_2}{O_3} + 2NaN{O_3}$$

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. $$9:4$$
View Answer
Releted Question 2

Which of the following is the weakest base

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

One of the constituent of German silver is

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

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

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

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D and F Block Elements

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