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D block elements  

created by andrewt13 on 31 May 19, enabled by MWAPOLENI
Hard level (43% of success)    10 questions - 4 players
 
1
What is also called lunar caustic?
   
   
   
   
2
Iron III has a reduction potential with reference to hydrogen.
   
   
   
   
3
Ferrous compounds are found to be less stable than ferric compounds. Which can be attributed for the same?
   
   
   
   
4
Mac Arthur Forrest process involves gold and silver. The complex formed has a coordination number :
   
   
   
   
5
Cupric iodide...
   
   
   
   
6
Cuprous fluoride...
   
   
   
   
7
Which of the following can oxidize manganous salts to permanganic acid in acidic medium?
   
   
   
   
8
Brown ring complex consists of iron and (NO) ligand in oxidation states :
   
   
   
   
9
A salt was air oxidized in alkaline medium. The salt previously was derived from the titration of potassium permanganate and oxalic acid. The salt initially was in the oxidation state of 2 (the metal). Finally, the produced salt in alkaline medium gives a color.
   
   
   
   
10
Ziegler-Natta Catalyst's active component consists of titanium bonded to X chlorine atoms where X is :
   
   
   
   
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