Organic Chemistry Answers

Mr. John starts his car from home at rest and accelerates uniformly at a rate of 2m/s² for 2s. He maintains a constant velocity for 10 seconds as he drives to a shopping mall. He then applies the brakes and then the car retards uniformly coming to rest in 5 seconds at the mall. Assuming that the journey is linear, for Mr. John’s car,

(a) draw the motion graph for the whole journey.

(b) find the maximum velocity.

(c) find the retardation in the last 5 seconds.

(d) determine the total distance traveled from home to the shopping mall.

(e) what was the average velocity?

Is water a solid or liquid

what is the mass of carbon in 210 grams of 5-dodecene

aqueous sodium chloride can be electrolysed using inert electrodes. Describe the effect that the position of ions in the electrochemical series has on the products of this electrolysis

Draw the products of the following alkene reactions:

a. (E)-2-methylhex-3-ene + ozone, then Zn in acidic (H3O+) medium

b. 3-methylhex-1-ene + HBr in ether

c. (Z)-3-methylhex-3-ene + H2 with platinum catalyst

d. (R)-4-methylhex-1-ene in a hydroboration reaction

e. (Z)-3-methylhex-2-ene + KI in phosphoric acid

f. 2-methylhex-2-ene in an oxymercuration - demercuration reaction

g. (E)-3-methylhex-3-ene in an osmium tetroxide hydroxylation reaction

h. 2-methylhex-1-ene in a KMnO4 oxidative cleavage reaction

i. (E)-3-methylhex-2-ene + bromine

j. 5-methylhex-1-ene in an epoxidation / hydroxylation reaction

Draw the products of the following alkyne reactions:

1. Hex-3-yne+H2 with a Lindlar catalyst

2. 4-methylpent-1-yne in a hydrocarbon- oxidation sequence

3. Hex-2-yne + two equivalents of bromine in CH2Cl2 solvent.

4. 4-methylpent-2-yne with a Li catalyst in ammonia

5. Hex-1-yne un a mercury (II) catalyzed hydration

Reaction of pyrrole with HCN,HCl yield?

a liquid paracetamol preparation for use with young children contains 1.52e-4 g paracetamol mL-1. approximately how many mols of paracetamol (M = 151.15 g mol-1) are there in a 15.0 mL dose of the liquid?

The substance Terylene is obtained by the condensation polymerization of benzene-1, 4-dioc acid, and ethane-1, 2-diol. 

Benzene-1, 4-dioc acid (RMM = 166g) can be prepared in the laboratory by the oxidation of 1, 4-dimethylbenzene (RMM = 106g) with acidified potassium permanganate.

(i) Wrtite a balanced equation for this reaction using [O] as the oxidizing agent.

(ii) How would the PURE acid be obtained from the reaction mixture and how would the purity of the acid be verified?

(iii) What mass of 1, 4-dimethylbenzene would be required to produce 4.8g of benzene-1, 4-dioic acids, if the percentage yield is 60%

Draw all possible isomers of heptane, C7H16, and give their corresponding names