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Naya [18.7K]
3 years ago
10

Question 4b, c please.

Chemistry
1 answer:
lora16 [44]3 years ago
4 0

Answer:

                   a) Structural formula for X and Y are attached below,

                   b) Systematic name of alcohol is Butan-2-ol.

                  c) X is secondary alcohol.

Explanation:

                    Alcohols are considered one of the most important class of organic compounds. They act as the starting materials in many important reactions like in synthesis of esters, ethers e.t.c.

                   Among different reactions shown by alcohols oxidation reactions are considered very important in formation of other intermediates like ketones, aldehydes and carboxylic acids.

Below are the oxidation reactions shown by different alcohols;

1) Primary Alcohol -------[O]-------->  Aldehyde   --------[O]--------> Carboxylic Acid

2) Secondary Alcohol --------[O]--------> Ketone -------[O]-------> No Reaction

3) Tertiary Alcohol ---------[O]---------> No reaction

Hence, oxidation takes place on alcohols which contain reactive C-H bonds. Therefore, in given scenario the alcohol is secondary alcohol and upon oxidation it produces a ketone.

Note:

In order to finalize the correct structure of final product we can assume that it is ketone because it is stated in statement that it cannot be oxidized further. Secondly the molar mass 72 g/mol was utilized to reach the final correct structure, for this purpose 28 amu (for CO carbonyl group) was subtracted from 72 and the remaining 44 amu was alloted to 2 CH₃ (Methyl part each having 15 amu mass) and CH₂ (Methylene part having 14 amu mass) respectively.

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How many moles of CO are there in 1.40 x 10^24 molecules.
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Explanation:

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How do electrons differ from protons and neutrons? A. They do not move. B. They are larger. C. They are not in a fixed position.
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In preparation for a demonstration, your professor brings a 1.50−L bottle of sulfur dioxide into the lecture hall before class t
solmaris [256]

Answer:

4.81 moles

Explanation:

The total pressure of the gas = Pressure at which gauge reads zero + pressure read by it.

Pressure at which gauge reads zero = 14.7 psi

Pressure read by the gauge = 988 psi

Total pressure = 14.7 + 988 psi = 1002.7 psi

Also, P (psi) = P (atm) / 14.696

Pressure = 1002.7 / 14.696  = 68.2297 atm

Temperature = 25 °C

The conversion of T( °C) to T(K) is shown below:

T(K) = T( °C) + 273.15  

So,  

T = (25 + 273.15) K = 298.15 K  

Volume = 1.50 L

Using ideal gas equation as:

PV=nRT

where,  

P is the pressure

V is the volume

n is the number of moles

T is the temperature  

R is Gas constant having value = 0.0821 L.atm/K.mol

Applying the equation as:

68.2297 atm × 1.5 L = n × 0.0821 L.atm/K.mol × 298.15 K  

⇒n = 4.81 moles

4 0
3 years ago
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