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maks197457 [2]
2 years ago
15

6. The central selenium atom in selenium hexafluo-

Chemistry
1 answer:
serg [7]2 years ago
5 0

Given what we know, we can confirm that when forming an expanded octet, selenium hexafluo ride will hold 6 pairs of shared electrons around its center selenium atom.

<h3>What is an expanded octet?</h3>
  • An expanded octet is when an atom can hold more than 8 valence electrons in its outer shell.
  • This is possible for those elements in period four of the periodic table.
  • Elements that are capable of this form what we call hypervalent compounds.

Therefore, given that during an expanded octet formation, the central atom is capable of holding more than 8 valence electrons in its outer shell, the central atom of a selenium hexafluo ride compound will have 12 electrons being shared, which results in 6 pairs, making C the correct answer.

To learn more about valence electrons visit:

brainly.com/question/7223122?referrer=searchResults

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4. Consider the following half-reactions: MnO4–(aq) + 8H+(aq) + 5e– → Mn+2(aq) + 4H2O(l) NO3–(aq) + 4H+(aq) + 3e– → NO(g) + 2H2O
jeyben [28]

Explanation:

The chemical reaction given in the question is as follows -

MnO₄⁻ (aq) + 8H⁺ (aq) + 5e⁻ → Mn²⁺ (aq) + 4H₂O (l)

NO₃⁻ (aq) + 4H⁺ (aq) + 3e⁻ → NO (g) + 2H₂O (l)

As we know , the value for reduction potential are -

Mn²⁺ = + 1.51  V

NO₃⁻  =  +0.96 V

From , the data given above , the value of the reduction potential of NO₃⁻ is less than the reduction potential of Mn²⁺ .

Hence ,

NO₃⁻  can not oxidize Mn²⁺ .

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3 years ago
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About 3% of the water on Earth is freshwater. Only about 40% of that freshwater is available for human use. Why is so much fresh
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a. What condition must be met for an activated complex to result from the collision of reactant particles? b. Where, in terms of
weeeeeb [17]

Answer:

A. The conditions are:

I. Reactant particles must collide with the right orientation.

II. There must be effective collisions.

III. The reactant particles must possess enough energy to break old bonds so that new bonds can be formed.

B. The activated complex occurs where the maximum energy of the reaction is attained along the reaction pathway, that is, at the peak of the activation energy.

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Develop the relationship between reducible and irreducible representation of C2v point group taking H2O as example and 3N cartes
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Explanation:

bdhdhdfhshdudhdhd7x6x8xjdjdjdjdjdid8dijdjdjdhdhdj

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