COMEDK exam Sample paper

I need the COMEDK exam Sample paper, is there any one to provide me the same???????????????

[Kiran Chandar]

Here is the COMEDK exam Sample paper:

Q. 10. Which of the following factors is of no significance for roasting sulphide ores to the oxides and not subjecting
the sulphide ores to carbon reduction directly?
i. Metal sulphides are less stable than the corresponding oxides.
ii. CO2is more volatile than CS2.
iii. Metal sulphides are thermodynamically more stable than CS2.
iv. CO2is thermodynamically more stable than CS2.

13. Phenol, when it first reacts with concentrated sulphuric acid and then with concentrated nitric acid, gives
i. p-nitrophenol
ii. nitrobenzene
iii. 2,4,6-trinitrobenzene
iv. o-nitrophenol

16. Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained
is diazotized and then heated with cuprous bromide. The reaction mixture so formed contains
i. mixture of o-; and p-bromoanilines
ii. mixture of o- and m-bromotoluenes
iii. mixture of o- and p-bromotoluenes
iv. mixture of o- and p-dibromobenzenes







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