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Let the oxidation number of Fe =x Writing the oxidation number of each atom at the top of its symbol. +1 x -1 K 4 [Fe(CN) 6 ] The algebraic sum of the oxidation number of various atoms = 0 4(+1) + x + 6(-1) = 0 or x - 2 = 0 or x = + 2

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Redox Reactions

Short Answer Type

111.

What are the oxidation number of the underlined elements in each of the following and how do you rationalise your results?
$straight K bottom enclose straight I subscript 3$

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112.

What are the oxidation number of the underlined elements in each of the following and how do you rationalise your results?
$straight H subscript 2 bottom enclose straight S subscript 4 end enclose straight O subscript 6$

108 Views

113.

What are the oxidation number of the underlined elements in each of the following and how do you rationalise your results?
$bottom enclose Fe subscript 3 end enclose straight O subscript 4$

98 Views

114.

What are the oxidation number of the underlined elements in each of the following and how do you rationalise your results?

$bold space bold space bottom enclose bold C bold H subscript bold 3 bottom enclose bold C bold H subscript bold 2 bold OH$

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115.

What are the oxidation number of the underlined elements in each of the following and how do you rationalise your results?
$bottom enclose straight C straight H subscript 3 bottom enclose straight C OOH$

130 Views

Long Answer Type

116.

Calculate the oxidation number of sulphur, chromium and nitrogen in H₂SO₅, $space space Cr subscript 2 straight O subscript 7 superscript 2 minus end superscript$ and $space space NO subscript 3 superscript minus$ Suggest structure of these compounds. Count for the fallacy.

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Short Answer Type

117. Calculate the oxidation number of Fe in K₄|Fe(CN)₆|.

Let the oxidation number of Fe =x Writing the oxidation number of each atom at the top of its symbol.
+1 x -1
K₄ [Fe(CN)₆]
The algebraic sum of the oxidation number of various atoms = 0
4(+1) + x + 6(-1) = 0
or x - 2 = 0
or x = + 2

228 Views