Question

which of the following shows highest oxidation number in combined state:-
1) Os
2) Ru
3) Both 1 and 2
4) None of the above one
pls give the answer with correct explanation
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Answer 1

Answer:

The possible oxidation states of Os and Ru are:

Os = -4, -2, -1, 0, +1, +2, +3, +4, +5, +6 +7, +8

Ru = -4, -2, 0, +1, +2, +3, +5, +6, +7, +8

Explanation:

therefore both Is and Ru shows highest oxidation number of+8.

therefore,(c) is the correct answer.

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Answer 2

Answer:

Os and Ru have highest oxidation state +8.

Explanation:

The possible oxidation states of Os and Ru are :-

Os⇒−4,−2,−1,0,+1,+2,+3,+4,+5,+6,+7,+8

Ru⇒−4,−2,0,+1,+2,+3,+4,+5,+6,+7,+8

Therefore, both Os and Ru show highest oxidation number of +8.