Question

1. Give the systematic name for each of the following compounds: i. ii. iii. 2. Draw structure for the following compounds: i. 1-chlorohex-3-yne ii. isopropylacetylene iii. sec-butylisobutylethyne (3 marks) (3 marks) 3. The following names are incorrect. Draw the structure and write the correct IUPAC name for each. i. 6-bromo-2-methylhex-3-yne ii. 3-tert-butylhex-4-yne iii. 1-ethyl-2-methylpent-3-yne (3x2 marks) 4. Give the reagent J and structure of compounds H, G and I. I H2 Lindlar catalyst J NaNH2 H+G (4 marks) 5. Starting with acetylene and any alkyl halides, show how to synthesize i. hex-3-yne ii. 1-cyclobutylpent-2-yne (2x4 marks) 6. Starting from propane, show how the following compounds could be synthesized i. 2,2-dibromopropane ii. 1,1-dibromopropane (2x3 marks)

          1.
Give the systematic name for each of the following compounds:
i.
ii.
iii.
2.
Draw structure for the following compounds:
i.
1-chlorohex-3-yne
ii.
isopropylacetylene
iii.
sec-butylisobutylethyne
(3 marks)
(3 marks)
3.
The following names are incorrect. Draw the structure and write the correct IUPAC name for each.
i.
6-bromo-2-methylhex-3-yne
ii.
3-tert-butylhex-4-yne
iii.
1-ethyl-2-methylpent-3-yne
(3x2 marks)
4.
Give the reagent J and structure of compounds H, G and I.
I
H2
Lindlar catalyst
J
NaNH2
H+G
(4 marks)
5.
Starting with acetylene and any alkyl halides, show how to synthesize
i.
hex-3-yne
ii.
1-cyclobutylpent-2-yne
(2x4 marks)
6.
Starting from propane, show how the following compounds could be synthesized
i.
2,2-dibromopropane
ii.
1,1-dibromopropane
(2x3 marks)

1.
Give the systematic name for each of the following compounds:
i.
ii.
iii.
2.
Draw structure for the following compounds:
i.
1-chlorohex-3-yne
ii.
isopropylacetylene
iii.
sec-butylisobutylethyne
(3 marks)
(3 marks)
3.
The following names are incorrect. Draw the structure and write the correct IUPAC name for each.
i.
6-bromo-2-methylhex-3-yne
ii.
3-tert-butylhex-4-yne
iii.
1-ethyl-2-methylpent-3-yne
(3x2 marks)
4.
Give the reagent J and structure of compounds H, G and I.
I
H2
Lindlar catalyst
J
NaNH2
H+G
(4 marks)
5.
Starting with acetylene and any alkyl halides, show how to synthesize
i.
hex-3-yne
ii.
1-cyclobutylpent-2-yne
(2x4 marks)
6.
Starting from propane, show how the following compounds could be synthesized
i.
2,2-dibromopropane
ii.
1,1-dibromopropane
(2x3 marks)

Added by Samantha N.

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