Which of the following is not a disproportionation reaction?

(1) H2S2O8H2SO4+O2

(2) P4H2OPH3+H3PO4

(3) H2SO5H2SO4+12O2

(4) S8+H2OH2S+12O2

Subtopic:  Oxidizing & Reducing Agents |
 55%
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Oxidation state of 'P' in Ba(HPO3) is

(1) +1

(2) +2

(3) +3

(4) +4

Subtopic:  Oxidizing & Reducing Agents |
 86%
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 In a KMnO4+bFeSO4+cH2SO4
dFe2(SO4)3+eK2SO4+fMnSO4+gH2O,
Correct relation is

(1) (a+e+f) = d

(2) c = g = d + e + f

(3) b = a + d + e + f

(4) All of these 

Subtopic:  Balancing of Equations |
 66%
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Oxidation states of C in Toluene is/are

(1) -3

(2) -1

(3) 0

(4) All of these

Subtopic:  Oxidizing & Reducing Agents |
 59%
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Highest oxidation number of nitrogen is in

(1) Nitrobenzene

(2) Nitric acid

(3) NO2

(4) Both (2) & (3) 

Subtopic:  Oxidizing & Reducing Agents |
 71%
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Oxidation state of titanium in pervoskite is

(1) +2

(2) +3

(3) +4

(4) +5

Subtopic:  Oxidizing & Reducing Agents |
 53%
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For the reaction 2H3PO2H3PO4+PH3, the equivalent mass of H3PO2 is

(1) M4

(2) M3

(3) M2

(4) M

Subtopic:  Equivalent Weight |
 62%
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The oxidation number of S in product after the reaction of Na2S2O3 and I2 in acidic medium is

(1) +2

(2) +2 and +3

(3) 0 and +5

(4) +6

Subtopic:  Oxidizing & Reducing Agents |
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In the reaction, 2Cu+Cu+Cu2+.

The equivalent weight of Cu+ is (Ionic weight of Cu+= M)

(1) M2

(2) M

(3) 2M

(4) M3

Subtopic:  Equivalent Weight |
 58%
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The species that does not contain peroxide ions is:

(1) PbO2

(2) H2O2

(3) SrO2

(4) BaO2

Subtopic:  Introduction to Redox and Oxidation Number |
 66%
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