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Ber [7]
3 years ago
10

Place the following in order of increasing X-Se-X bond angle, where X represents the outer atoms in each molecule. SeO2 SeCl6 Se

F2 A) SeCl6
Chemistry
1 answer:
GalinKa [24]3 years ago
5 0

Answer:

SeCl₆ < SeF₂ < SeO₂

Explanation:

(A) SeO₂

The central atom has 2 bond pairs and 1 lone pair. The molecule is bent shaped which has an angle of 120°.

(B) SeCl₆

The central atom has 6 bond pairs and 0 lone pair. The geometry is octahedral in which the equatorial bonds has an angle of 90° and axial bond has an angle of 90°.

(C) SeF₂

The central atom has 2 bond pairs and 2 lone pairs. The geometry is bent shape which has an angle of approximately 105.5°.

The order is:

<u>SeCl₆ < SeF₂ < SeO₂</u>

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ΔS =S(products) -S(reactants)

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a. ΔS = (2) - (2+1) = -1
b. ΔS = (1+1) -(1) = 1
c. ΔS = (1+2) - (1) = 2
d. ΔS = (2) - (2+1) = -1
e. ΔS = (1) - (1) = 0

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3420‬m

Explanation:

Given parameters:

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    Distance = speed x time

 

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Given: logK=nE∘0.0592 What is the value K for this redox reaction? Zn2+(aq) + 2 Cl−(aq) → Zn(s) + Cl2(
anygoal [31]

<em>K</em> = 2.4 × 10^(-72)

<em>Step 1</em>. Determine the <em>value of n </em>

Zn^(2+) + 2e^(-) → Zn

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∴ <em>n</em> = 2

<em>Step 2</em>. Calculate <em>K</em>

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<em>K</em> = 10^(-71.62) = 2.4 × 10^(-72)

8 0
3 years ago
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