3 years ago

When forming an ion, iodine will do which of the following?

Chemistry

1 answer:

Mariana [72]3 years ago

4 0

Answer:

Explanation:

Iodine has a negative charge, so it will gain electrons.

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What is the mass of 2.071x10^14 molecules of SF2

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Name of molecule Sulfur Difluoride ( SF2)

No of Valence Electrons in the molecule 20

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Bond Angles 98 degrees

Molecular Geometry of SF2 Bent

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3. What mass of copper could be deposited from a copper(II) Sulphate solution using a current of 5.0 A over 100 seconds? ( F =96

arsen [322]

Mass of copper : 0.165 g

<h3>Further explanation</h3>

Given

5.0 A over 100 seconds

Required

Mass of copper

Solution

Faraday's law:

<em>The mass of the substance formed at each electrode is proportional to the electric current flowing in the electrolysis</em>

<em /> $\tt W=\dfrac{e.i.t}{96500}$ <em />

e = Ar / valence = eqivalent weight

i = current

t = time

W = weight

CuSO₄ ----> Cu²⁺ + SO₄²⁻

Cu ----> Cu²⁺ + 2e

e = Ar/2

= 63,5/2 = 31,75

$\tt W=\dfrac{31.75\times 5\times 100}{96500}=0.165~g$

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