The electron cloud model describes the _____ of electrons in an atom.

Chemistry

2 answers:

laila [671]4 years ago

6 0

Answer: Likely Locations.

Explanation: Electron Cloud Model is the model which is used to describe the location of electrons wen they revolve around the nucleus.

Erwin Schrodinger proposed this model and guessed the position of the electrons . According to him, they were supposed to be present in the shape of cloud around the nucleus hence the name Electron Cloud Model.

SVETLANKA909090 [29]4 years ago

4 0

Likely Locations is your answer .-.

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Draw the alkene formed when 1-heptyne is treated with hbr in the presence of peroxide.

Nimfa-mama [501]

<h2>Heptene formed is -</h2><h2> $CH_3-CH_2-CH_2-CH_2-CH_2-CH=CHBr$ </h2>

Explanation:

The two possibilities when the peroxide is not present

$CH_{3}-CH_{2}-CH_{2}-CH_{2}-CH_{2}-C$ ≡ $CH +HBr$ → $CH_3-CH_2-CH_2-CH_2-CH_2-CBr=CH_{2}$

$CH_3-CH_2-CH_2-CH_2-CH_2-CBr=CH_2$ + HBr → $CH_3-CH_2-CH_2-CH_2-CH_2-CBr_2-CH_3$

In presence peroxide,

$CH_3-CH_2-CH_2-CH_2-CH_2-C$ ≡ $CH$ + HBr → $CH_3-CH_2-CH_2-CH_2-CH_2-CH=CHBr$

When peroxides are present in the reaction mixture, hydrogen bromide adds to the triple bond of heptane with regioselectivity.

This reaction is opposite to that of Markovnikov's rule which says that when asymmetrical alkene reacts with a protic acid HX, then the hydrogen of an acid is attached to the carbon with more in number of hydrogen substituents, and the halide (X) group is attached to the carbon with more in number of substituents of alkyl.
One mole of HBr adds to one mole of 1-heptane.
The structure of heptene formed is -

$CH_3-CH_2-CH_2-CH_2-CH_2-CH=CHBr$

5 0

3 years ago

Please answer for brainliest and if your answer is correct I'll give extra points. screenshot of the question is below.

ozzi

Concentration - 3

Phase - 1

Catalyst - 4

Surface area - 2

8 0

3 years ago

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