Consider the structural formulae of the five hydrocarbon compounds A to E in the table - Leaving Cert Chemistry - Question 6 - 2022
Question 6
Consider the structural formulae of the five hydrocarbon compounds A to E in the table.
(a) Explain the underlined term.
(b) Give the IUPAC names for compounds A, ... show full transcript
Worked Solution & Example Answer:Consider the structural formulae of the five hydrocarbon compounds A to E in the table - Leaving Cert Chemistry - Question 6 - 2022
Step 1
Explain the underlined term.
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
Hydrocarbons are organic compounds that contain only hydrogen (H) and carbon (C) atoms.
Step 2
Give the IUPAC names for compounds A, C and E.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Identify two compounds from the table that are gaseous at room temperature.
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
A: ethane
C: ethyne
Step 4
Identify two aromatic hydrocarbons in the table.
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: benzene
E: methylbenzene (phenylmethane)
Step 5
Which one of the compounds in the table is used industrially in cutting and welding metals,
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
C: ethyne
Step 6
to make addition polymers?
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
B: ethene
Step 7
Copy, complete and balance the following equation for the combustion of compound C in excess oxygen.
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
C2H2 + 2 O2 → 2 CO2 + H2O
Step 8
Draw the structural formula for the second member of the homologous series to which B belongs.
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 second member is butene, which can be represented as:
H H
\
H—C===C—H
/ \
H H
Step 9
In the structure you have drawn, clearly indicate any carbon atoms in tetrahedral geometry.
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
In butene, the carbon atoms connected by single bonds exhibit tetrahedral geometry. Each carbon in the indicated structure has four bonds creating a 3D tetrahedral shape.
Join the Leaving Cert students using SimpleStudy...
