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Tresset [83]
3 years ago
11

Propose a reasonable synthesis to get benzylamine from toluene

Chemistry
1 answer:
yawa3891 [41]3 years ago
4 0
Benzyl Amine is synthesized from Toluene in two steps;

Step 1: Bromination of Methyl Group in Toluene:
                                                                             Bromination is carried out on methyl group present on Benzene ring through free radical mechanism by treating toluene with <span>N-Bromosuccinimide (NBS) and Benzyl Bromide is formed.

Step 2: Benzyl Bromide into Benzyl Amine;
                                                                    This step is carried out utilizing a neme reaction "Gabriel Reaction". Benzyl bromide is treated with </span>Potassium Phthalamide and an intermediate is formed which on treatment with Hydrazine produces Benzyl amine.

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What should be the mole fraction of sucrose (C12H22O11) in an aqueous solution at 20°C so that the vapor pressure of water above
zloy xaker [14]

Answer:

The mol fraction of sucrose in an aqueous solution at 20°C  is 0.114

Explanation:

Step 1: Data given

The vapor pressure of water above the solution is 2.0 mmHg

The vapor pressure of pure water at 20 °C is 17.5 mmHg

Step 2: Calculate the mol fraction of sucrose

Psolution = (χsolvent) (P°solvent)

⇒with Psolution = the vapor pressure of the solution is 2.0 mmHg

⇒with χsolvent = the mol fraction of sucrose = TO BE DETERMINED

⇒with P°solvent = the vapor pressure of pure water at 20 °C =17.5 mmHg

2.0 mmHg = X * 17.5 mmHg

X = 2.0 mmHg / 17.5 mmHg

X = 0.114

The mol fraction of sucrose in an aqueous solution at 20°C  is 0.114

7 0
3 years ago
One mole of a metallic oxide reacts with one mole of hydrogen to produce two moles of the pure metal
MAXImum [283]

Answer:

The metallic oxide is Li₂O

Explanation:

Let the metallic oxide be M₂O

Thus;

M₂O + H₂ = 2M + H₂O

Molar mass of M₂O = (2x + 16)

We assume Molar mass of M to be x.

We are told that 5.00 g of the metallic oxide produces 2.32 g of the metal.

By proportion, we can write the following;

5g of M₂O × (1 mole of M₂O/(2x + 16)) × (2 moles of M/1 mole of M₂O) = 2.32 g of M × 1 mole of M/x g of M

This cancels out to give us;

10/(2x + 16) = 2.32/x

Cross multiply to get;

10x = 2.32(2x + 16)

10x = 4.64x + 37.12

10x - 4.64x = 37.12

5.36x = 37.12

x = 37.12/5.36

x = 6.925 g/mol

The metal with a molar mass closest to this value of x is Lithium which has a molar mass of 6.94 g/mol

Thus the metal is Lithium and as such the metallic oxide is Li₂O

6 0
3 years ago
Please complete the sentence. A(n) __________________, a strainer, or a ladle can be used to separate the parts of a(n) ________
Damm [24]

A coffee filter, a strainer, or a ladle can be used to separate the parts of a heterogeneous mixture.

7 0
3 years ago
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HELP ANYONE PLEASEE?? TY!!!
ELEN [110]

Answer:

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Explanation:

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4 0
2 years ago
Oxygen and nitrogen are both gases at room temperature. Explain why oxygen has a greater force of attraction between its particl
RideAnS [48]

Answer:

Explanation:

Oxygen molecules and Nitrogen molecules forms in a very similar way. The attraction between particles of oxygen is great due to its very high electronegativity value. Oxygen has a higher electronegative value compared to nitrogen.

Electronegativity of an atom is the relative tendency with which atoms of an element attracts valence electrons in a chemical bond. Valence electrons are used in forming chemical bonds. They can be transferred from one atom to the other or they can be shared.

Oxygen is the second most electronegative atom on the periodic table. To form a bond, it shares the valence electrons in order for its octet to be complete. Pull for the valence electrons between the contributing atoms is very strong due to their large electronegative values. This pull is stronger compared to that between nitrogen atoms.

8 0
3 years ago
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