Question

Which of the following catalysts is not correctly matched with the reaction?

A. Vanadium $$(V)$$  oxide in contact process for oxidation of $$S{O_2}$$  to $$S{O_3}.$$
B. Finely divided iron in Haber's process in conversion of $${N_2}$$  and $${H_2}$$  to $$N{H_3}.$$
C. $$PtC{l_2}$$  catalyses the oxidation of ethyne to ethanal in the Wacker process.  
D. $$Ni$$  in presence of hydrogen for conversion of vegetable oil to ghee.
Answer :   $$PtC{l_2}$$  catalyses the oxidation of ethyne to ethanal in the Wacker process.
Solution :
In the Wacker process, the oxidation of ethyne to ethanal is catalysed by $$PdC{l_2}.$$

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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