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Question

Classify the following reactions in one of the reaction types studied.
a.  $$C{ H }_{ 3 }C{ H }_{ 2 }Br+H{ S }^{ \ominus  }\rightarrow C{ H }_{ 3 }C{ H }_{ 2 }SH+B{ r }^{ \ominus  }$$

b.  $${ \left( C{ H }_{ 3 } \right)  }_{ 2 }C=C{ H }_{ 2 }+HCl\rightarrow { \left( C{ H }_{ 3 } \right)  }_{ 2 }(Cl)C-C{ H }_{ 3 }$$

c.  $${ \left( C{ H }_{ 3 } \right)  }_{ 3 }C-C{ H }_{ 2 }OH+HBr\rightarrow { \left( C{ H }_{ 3 } \right)  }_{ 2 }C(Br)C{ H }_{ 2 }C{ H }_{ 3 }$$

d.  $$C{ H }_{ 3 }C{ H }_{ 2 }Br+H{ O }^{ \ominus  }\rightarrow C{ H }_{ 2 }=C{ H }_{ 2 }$$


A
a.Nucleophilic substitution and 1, 2-Methyl shift
b. Nucleophilic substitution reaction
c. Elimination reaction
d. Addition reaction
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B
a.Addition reaction
b. Nucleophilic substitution reaction
c. Elimination reaction
d. Nucleophilic substitution and 1, 2-Methyl shift
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C
a. Nucleophilic substitution reaction
b. Addition reaction
c. Nucleophilic substitution and 1, 2-Methyl shift
d. Elimination reaction
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D
a.Addition reaction
b. Nucleophilic substitution reaction
c. Nucleophilic substitution and 1, 2-Methyl shift
d. Elimination reaction
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Solution

The correct option is A a. Nucleophilic substitution reaction
b. Addition reaction
c. Nucleophilic substitution and 1, 2-Methyl shift
d. Elimination reaction
a. Nucleophilic substitution reaction as bromide ion is substituted with $$HS^{-}$$ ion.
b.  Addition reaction as HCl is added to carbon carbon double bond.
c.  Nucleophilic substitution and 1, 2-Methyl shift as hydroxide ion is substituted with bromide ion and involves rearrangement of methyl group.
d.  Elimination reaction as molecule of HBr is eliminated.

Chemistry

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