6. (a) What general term is used for compounds, like those shown in the table, that contain only carbon and hydrogen atoms?
(b) Give the IUPAC names for A, C and D - Leaving Cert Chemistry - Question 6 - 2018
Question 6
6. (a) What general term is used for compounds, like those shown in the table, that contain only carbon and hydrogen atoms?
(b) Give the IUPAC names for A, C and D.... show full transcript
Worked Solution & Example Answer:6. (a) What general term is used for compounds, like those shown in the table, that contain only carbon and hydrogen atoms?
(b) Give the IUPAC names for A, C and D - Leaving Cert Chemistry - Question 6 - 2018
Step 1
What general term is used for compounds, like those shown in the table, that contain only carbon and hydrogen atoms?
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The general term used for such compounds is hydrocarbons.
Step 2
Give the IUPAC names for A, C and D.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
A is methane, C is propene, and D is ethyne.
Step 3
To which homologous series:
(i) do both A and B belong?
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Both A (methane) and B (propane) belong to the alkane series.
Step 4
To which homologous series:
(ii) does D belong?
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
D (ethyne) belongs to the alkyne series.
Step 5
Which compound in the table is aromatic?
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The compound E (benzene) is aromatic.
Step 6
Write the molecular formula of this compound.
97%
121 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The molecular formula of benzene is C₆H₆.
Step 7
Why is this compound not in common use?
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Benzene is considered carcinogenic, toxic, and harmful, which limits its use.
Step 8
Which compound in the table, when burned in oxygen, produces a very high temperature flame used for cutting and welding metal?
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The compound D (ethyne) produces a very high temperature flame when burned in oxygen.
Step 9
Which compound in the table is produced by anaerobic bacteria decomposing animal waste?
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The compound A (methane) is produced by anaerobic bacteria decomposing animal waste.
Step 10
Why is the concentration of this compound in the atmosphere a cause for concern?
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The concentration of methane in the atmosphere is a cause for concern due to its role in global warming and climate change.
Join the Leaving Cert students using SimpleStudy...
