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3 years ago

Write a generic Lewis structure for the halogens.Draw the Lewis dot structure for X

Chemistry

2 answers:

AysviL [449]3 years ago

5 0

Answer : A Lewis structure is a graphical representation of the distribution of electrons around atoms. Mainly it illustrates the lone pairs of electrons present in molecules. They are also known as Lewis dot diagrams and mainly used for simple way to represent the configuration of atoms within a molecule.

The halogens are the five non-metallic elements found in group 7A of the modern periodic table. The term "halogen" stands for "salt-former" and compounds which contains halogens are called as "salts" as they produce salts when it reacts with metals.

All halogens are supposed to have 7 electrons in their outermost shells.

When a diatomic structure is formed by two elements of halogens, one electron from each halogen combines to form bonds between them.

The diagram is attached here in the answer.

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Alexxx [7]3 years ago

4 0

Halogens exist is diatomic molecules to have stable octet structure

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If you have 2 Moles of C3H6 and 10 Moles of O2, which reactant is limiting the following reaction: 2C3H6 + 9O2 → 6CO2 + 6H2O?

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The limiting reactant is propene, $C_3H_6$ .

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$=\frac{9}{2}\times 2mol=9\text{mol of oxygen gas}$

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3 years ago

What carboxylic acid would be formed if the malonic ester synthesis (alkylation of diethyl malonate followed by hydrolysis with

uranmaximum [27]

Answer:

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Explanation:

The malonic ester synthesis is often used to form different types of carboxilic acid. In this case, we have excess of base, so we can expect a ring formed in the molecule.

In the first step, the base substract the more acidic hydrogen of the ester. In the next step we have the ester reacting with the dibromopentane. Then, in the next step, the excess of base will substract again the acidic hydrogen remaining of the carbon, and then, will promove a Sn2 reaction with the bromine in the pentane (That it was previously attached to the molecule). In this step, a ring id formed. Then, the hydrolisis with acid, will form carboxilic acid in both sides of the molecule, and finally the decarboxilation in heat will separate the molecule and formed the cyclohexilic acid.

The picture below shows the mechanism

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4 years ago