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Q201) When silver nitrate is heated to red hot, what is formed? [ CPMT 1996]




SOLUTION

2AgNO3 → 2Ag + 2NO2 + O2
Answer: (a)


Q202) MnO4- on reduction in acidic medium forms..[MP PMT 1995]




SOLUTION

MnO4- on reduction in acidic medium forms Mn2+ ion
MnO4- + 8H+ + 5e- → Mn2+ + 4H2O
Answer: (b)


Q203) Which of the following element does not belong to first transition series? [ MP PMT 1995]



SOLUTION

Ag belong to second transition series
Answer:(c)



Q204) Bordeaux used as fungicide is a mixture of [ KCET 1995]



SOLUTION


Answer: (a)


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