Question

Which of the following compounds gives red precipitate with $$AgN{O_3}?$$

A. $$KI$$
B. $${K_2}Cr{O_4}$$  
C. $$NaBr$$
D. $$NaN{O_3}$$
Answer :   $${K_2}Cr{O_4}$$
Solution :
$$2AgN{O_3} + {K_2}Cr{O_4} \to \mathop {A{g_2}Cr{O_4}}\limits_{{\text{Red precpitate}}} + 2KN{O_3}$$

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. $$9:4$$
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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