Exam (elaborations)
Che1502 Assignment 3..2023 ..it contains questions and answers
- Institution
- University Of South Africa (Unisa)
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MENU Dashboard / Courses / UNISA / 2023 / Year / CHE1502-23-Y / Welcome Message / Assessment 3
Started on Tuesday, 27 June 2023, 3:24 PM
State Finished
Completed on Tuesday, 27 June 2023, 3:29 PM
Time taken 5 mins 32 secs
Grade 100.00 out of 100.00
Question 1
Correct
Mark 2.00 out of 2.00
Which of the statement below is INCORRECT?
a. Allyl groups have three carbon atoms and five hydrogen atoms whereas vinyl groups have two carbon atoms and three hydrogen atoms.
b. Both allyl and vinyl groups have a double bond between two carbon atoms where all the other atoms are bonded through single bonds.
c. Vinyl group of compounds are very dangerous for industrial applications.
2
d. Ethenyl group contains two sp hybridized carbon atoms bonded to three hydrogen atoms.
Your answer is correct.
The correct answer is:
Vinyl group of compounds are very dangerous for industrial applications.
,Question 2
Correct
Mark 2.00 out of 2.00
MENU
All the following compounds contain vinyl group EXCEPT:
Dashboard / Courses / UNISA / 2023 / Year / CHE1502-23-Y / Welcome Message / Assessment 3
a.
b.
c.
d.
Your answer is correct.
The correct answer is:
, Question 3
Correct
Mark 2.00 out of 2.00
MENU
Which of the following chemical structures contain vinyl group?
Dashboard / Courses / UNISA / 2023 / Year / CHE1502-23-Y / Welcome Message / Assessment 3
a.
b.
c.
d.
Your answer is correct.
The correct answer is:
Question 4
Correct
Mark 2.00 out of 2.00
Which of the statements is INCORRECT?
a. Halides are referred to halogens connected to the carbon chains.
3 2
b. Allylic carbon atoms are sp hybridized carbon atom that is coupled to a sp hybridized or double-bonded carbon atom in a chain.
c. Fluorine, Chlorine, Nitrogen, Bromine and Iodine can all form halides.
d. In organic chemistry, there are many different forms of carbon chains.
Your answer is correct.
The correct answer is:
Fluorine, Chlorine, Nitrogen, Bromine and Iodine can all form halides.
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