Q111 · Practice questionComplex familiar1 mark
QUESTION 111
How is the haloalkane classified?
(A)
Primary, because the carbon bonded to Br is bonded to one other carbon.
(B)
Secondary, because the molecule contains a branch.
(C)
Tertiary, because the adjacent carbon has three carbon neighbours.
(D)
Secondary, because bromine is bonded to the second carbon counted from the left.
WORKED SOLUTION
1 markAnswer A
Answer
A
Working
Classification depends on the Br-bearing carbon, not an adjacent carbon or overall branching. The CH₂Br carbon has only one carbon neighbour.
Marking criteria
- Select A. [1 mark]
Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
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