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3 years ago

Set 2 - Ec

2 answers:

7 0

11. Which planet has the least elliptical orbit?

(1) Jupiter

(2) Mars

(3) Venus

(4) Saturn

Venus the least elliptical orbit (the most circular one).

qwelly [4]3 years ago

4 0

Venus has the least amount

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Tatiana [17]

Answer: Reducing agent in the given reaction is $S_{2}O^{2-}_{3}$ .

Explanation:

A reducing agent is defined as an element which tends to lose electrons to other element leading to an increase in its oxidation number.

In the given reaction, oxidation state of sulfur in $S_{2}O^{2-}_{3}$ is +2 and $I_{2}(aq)$ has 0 oxidation state.

In $S_{4}O^{2-}_{6}(aq)$ oxidation state of S is 2.5 and in $2I^{-}(aq)$ oxidation state of I is -1.

Since, an increase in oxidation state of S is occurring from +2 to +2.5. Hence, it is acting as a reducing agent.

Thus, we can conclude that reducing agent in the given reaction is $S_{2}O^{2-}_{3}$ .

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klemol [59]

The first one would be it

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4 years ago

Rina8888 [55]

C. Also just look up a chemical equation balancer calculator next time.

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2 years ago