3 years ago

Chromium loses three electrons what is its electron configuration

Chemistry

1 answer:

vfiekz [6]3 years ago

8 0

Cr(3+):
1s² 2s² 2p⁶ 3s² 3p⁶ 3d³
[Ar] 3d³

:)

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What types of material might have survived 85 years of weather? answer?

Mashutka [201]

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Metal and Minerals may have survived 85 years of weather.

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3 years ago

Draw the major organic substitution product(s) for (2R,3S)-2-bromo-3-methylpentane reacting with the given nucleophile. Indicate

Andrew [12]

Answer:

(2R,3S)-2-ethoxy-3-methylpentane

and

(2S,3S)-2-ethoxy-3-methylpentane

Explanation:

For this case, we will have $CH_3CH_2O^-$ as nucleophile. Also, this compound is also in excess. So, we will have as solvent $CH_3CH_2OH$ a protic solvent. Therefore the Sn1 reaction would be favored.

The first step would be the carbocation formation followed by the attack of the nucleophile. In this case both isomers would be produced: R and S (see figure).