IIT-JEE 2000 Screening | Redox Reactions Question 13 | Chemistry

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IIT-JEE 2000 Screening

MCQ (Single Correct Answer)

-0.5

Amongst the following identify the species with an atom in +6 oxidation state

$$MnO_4^ - $$

$$Cr(CN)_6^{3 - }$$

$$NiF_6^{2 - }$$

$$Cr{O_2}C{l_2}$$

IIT-JEE 1999

MCQ (Single Correct Answer)

-0.5

The normality of 0.3 M phosphorus acid (H₃PO₃) is

0.1

0.9

0.3

0.6

IIT-JEE 1992

MCQ (Single Correct Answer)

-0.25

For the redox reaction:
$$MnO_4^ - + {C_2}O_4^{ - 2} + {H^ + }$$ $$ \to M{n^{2 + }} + C{O_2} + {H_2}O$$
The correct coefficients of the reactants for the balanced reaction are

$$MnO_4^ - \,\, \to \,\,2,\,\,{C_2}O_4^{2 - }\, \to \,\,5,\,{H^ + } \to \,\,16$$

$$MnO_4^ - \,\, \to \,\,16,\,\,{C_2}O_4^{2 - }\, \to \,\,5,\,{H^ + } \to \,\,2$$

$$MnO_4^ - \,\, \to \,\,5,\,\,{C_2}O_4^{2 - }\, \to \,\,16,\,{H^ + } \to \,\,2$$

$$MnO_4^ - \,\, \to \,\,2,\,\,{C_2}O_4^{2 - }\, \to \,\,16,\,{H^ + } \to \,\,5$$

IIT-JEE 1991

MCQ (Single Correct Answer)

-0.25

The volume strength of 1.5 N H₂O₂ solution is

4.8

8.4

3.0

8.0

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