SATHEE: Redox Reactions And Electrochemistry Ques 441

Redox Reactions And Electrochemistry Ques 441

Question: The oxidation number of $M n$ in $N O_{2}$ is [CPMT 1982, 83; EAMCET 1992, 93; RPET 1999]

Options:

A) + 7

B) - 7

C) + 1

D) - 1

Show Answer

Answer:

Correct Answer: A

Solution:

$\overset{*,}{K M n O_{4}},$ $1 + x - 2 \times 4 = 0$ ; $x = 8 - 1 = + 7$ .

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Redox Reactions And Electrochemistry Ques 441

Question: The oxidation number of Mn in NO2 is [CPMT 1982, 83; EAMCET 1992, 93; RPET 1999]

Options:

Answer:

Solution:

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Question: The oxidation number of $M n$ in $N O_{2}$ is [CPMT 1982, 83; EAMCET 1992, 93; RPET 1999]