How many isomers are there for C3H7BrCl?
(A) 3
(B) 4
(C) 5
(D) 6 - HSC - SSCE Chemistry - Question 14 - 2011 - Paper 1
Question 14
How many isomers are there for C3H7BrCl?
(A) 3
(B) 4
(C) 5
(D) 6
Worked Solution & Example Answer:How many isomers are there for C3H7BrCl?
(A) 3
(B) 4
(C) 5
(D) 6 - HSC - SSCE Chemistry - Question 14 - 2011 - Paper 1
Step 1
Identify the structural formula
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Answer
The molecular formula C3H7BrCl suggests that the compound contains three carbon atoms, making it a potential candidate for different structural arrangements. Each isomer will vary based on the connectivity of atoms, particularly the positions of Br and Cl substituents on the carbon skeleton.
Step 2
List possible isomers
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Answer
1-Bromopropane: The bromine is attached to the first carbon.
2-Bromopropane: The bromine is attached to the second carbon.
1-Chloropropane: The chlorine is attached to the first carbon.
2-Chloropropane: The chlorine is attached to the second carbon.
1-Bromo-2-chloropropane: Both bromine and chlorine are attached to different carbon atoms in the chain.
Step 3
Count unique isomers
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Answer
On reviewing all the combinations of three carbon atoms and the two halogens, the total number of unique structural isomers that can be formed is determined to be five.
Step 4
Conclusion
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Answer
Therefore, the final result is that there are 5 isomers for C3H7BrCl.
