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Lelechka [254]
4 years ago
11

Cross aldol condensation reaction was carried out by reacting Acetone with Benzaldehyde in presence of sodium hydroxide. How man

y alpha carbon are present in acetone

Chemistry
1 answer:
natta225 [31]4 years ago
4 0

Answer:

Carbons 1 and 3

Explanation:

We must remember that by definition <u>alpha carbon</u>s are the carbon (or carbons) next to the carbon that contains the main group. In this case, the main group is the carbonyl group (C = O) in the middle of the molecule. In the acetone molecule, we have three carbons, the carbons neighboring the carbon of the carbonyl group (carbon two) will be the <u>alpha carbons</u>. (Red and blue carbons or carbons one and three)

See figure 1 for further explanations.

I hope it helps!

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Determine the rate of a reaction that follows the rate law:
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A. 0.12 (mol/L)/s

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8 0
3 years ago
Liquid octane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 17. g of octane is mi
Lisa [10]

Answer: 52.8 g of CO_2

Explanation:

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}

a) moles of octane

\text{Number of moles}=\frac{17.0g}{114g/mol}=0.150moles

b) moles of oxygen

\text{Number of moles}=\frac{93.0g}{32g/mol}=2.91moles

2C_8H_{18}+25O_2\rightarrow 16CO_2+18H_2O

According to stoichiometry :

2 moles of C_8H_{18} require 25 moles of O_2

Thus 0.150 moles of  C_8H_{18} require=\frac{25}{2}\times 0.150=1.875moles  of O_2

Thus C_8H_{18} is the limiting reagent as it limits the formation of product and O_2 is the excess reagent.

As 2 moles of C_8H_{18} give =  16 moles of CO_2

Thus 0.150 moles of C_8H_{18} give =\frac{16}{2}\times 0.150=1.2moles  of CO_2

Mass of CO_2=moles\times {\text {Molar mass}}=1.2moles\times 44g/mol=52.8g

Thus 52.8 g of CO_2 will be produced from the given masses of both reactants.

8 0
3 years ago
2' A mixture containing 2.75 gof ammonium chloride (NH4cl) in 5.0 g of water was heated to dissolve the solid and then allowed t
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Answer:

55g NH₄Cl / 100g Water

Explanation:

Solubility of a substance define the amount of solute per solvent in a saturated solution. The solution can dissolve additional solute if heated.

In the problem, as the first crystal appears at 61°C the solubility in this temperature is the concentration of the solution, that is:

2,75g NH₄Cl / 5,0g water ₓ 100 = <em>55g NH₄Cl / 100g Water</em>

<em></em>

I hope it helps!

6 0
3 years ago
What isotope name has a mass number of 201
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Answer:

Thallium is an isotope name that has a mass number of 201

3 0
4 years ago
What is the pH of a<br> 1.00×10-8M<br> KOH solution ?
SVEN [57.7K]

Answer:

the pH of the solution expresses the concentration of hydrogen ion in the solution. By measuring the pH value of a solution helps us to define the acidity or basicity of the solution. If the pH value in the pH scale is greater than 7 then the solution is basic

Explanation:

i hope this helps

7 0
3 years ago
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