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9701 MCQ Solution 78
Question 78: [Inorganic > Group 7]
Chloroethane can be formed from bromoethane in two steps.
Which statements about these steps are correct?
1 Step X involves a nucleophilic substitution. 2 Hot aqueous sodium hydroxide is the reagent in step X. 3 Hot aqueous sodium chloride is the reagent in step Y.
Which statements about these steps are correct?
1 Step X involves a nucleophilic substitution. 2 Hot aqueous sodium hydroxide is the reagent in step X. 3 Hot aqueous sodium chloride is the reagent in step Y.
Reference: Past Exam Paper - June 2003 Paper 1 Q38
Solution 78:
Answer: B.
Statement 2 is true because a chiral centre is defined as a carbon with four different substituents and a chiral centre will always display optical isomerism therefore Statement 1 is also true.
Statement 3 could be true however no condition that will prove it happening every time so cannot be true.
Statement 3 could be true however no condition that will prove it happening every time so cannot be true.
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