SATHEE: Redox Reactions And Electrochemistry Ques 460

Redox Reactions And Electrochemistry Ques 460

Question: Oxidation number of $M n$ in $K_{2} M n O_{4}$ and $M n S O_{4}$ are respectively [CPMT 1997]

Options:

A) + 7, + 2

B) + 6, + 2

C) + 5, + 2

D) + 2, + 6

Show Answer

Answer:

Correct Answer: B

Solution:

$K_{2} \overset{*}{M}, n O_{4}$

$\overset{*}{M}, n S O_{4}$

$2 + x - 8 = 0$

$x + 6 - 8 = 0$
$x = + 6$
$x = +, 2$ .

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Redox Reactions And Electrochemistry Ques 460

Question: Oxidation number of Mn in K2MnO4 and MnSO4 are respectively [CPMT 1997]

Options:

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Solution:

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Question: Oxidation number of $M n$ in $K_{2} M n O_{4}$ and $M n S O_{4}$ are respectively [CPMT 1997]