1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
For the redox reaction,
MnO4 + C2O4 2– + H+ $$ \to $$ Mn2+ + CO2 + H2O
The correct coefficients of the reactants for the balanced equation are
A
MnO4- C2O42- H+
16 5 2
B
MnO4- C2O42- H+
2 5 16
C
MnO4- C2O42- H+
2 16 5
D
MnO4- C2O42- H+
5 16 2
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
The correct order of N-compounds in its decreasing order of oxidation states is
A
HNO3 , NO, N2 , NH4Cl
B
HNO3 , NO, NH4Cl, N2
C
HNO3 , NH4Cl, NO, N
D
NH4Cl, N2 , NO, HNO3
3
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Hot concentrated sulphate acid is a moderately strong oxidizing agent. Which of the following reactions does not show oxidizing behaviour?
A
Cu + 2H2SO4 $$ \to $$ CuSO4 + SO2 + 2H2O
B
S + 2H2SO4 $$ \to $$ 3SO2 + 2H2O
C
C + 2H2SO4 $$ \to $$ CO2 + 2SO2 + 2H2O
D
CaF2 + H2SO4 $$ \to $$ CaSO4 + 2HF
4
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
The pair of compounds that can exist together is
A
FeCl3, SnCl2
B
HgCl2, SnCl2
C
FeCl2, SnCl2
D
FeCl3, KI
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