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Complete the following reactions by providing the missing reagents or products:

i. [tex]H_3O^+[/tex]
A) Formation of an alkene
B) Formation of an alcohol
C) Formation of a ketone
D) No reaction occurs

ii. [tex]\sim \text{MgBr}[/tex]
A) Formation of an alkane
B) Formation of an alkene
C) Formation of an alcohol
D) Formation of a Grignard reagent

iii. [tex]\rightarrow \sim \text{MgBr}[/tex]
A) Formation of an alkane
B) Formation of an alkene
C) Formation of an alcohol
D) Formation of a Grignard reagent

iv. [tex]\sim \text{MgBr}[/tex]
A) Formation of an alkane
B) Formation of an alkene
C) Formation of an alcohol
D) Formation of a Grignard reagent

v. [tex]\longrightarrow[/tex]
A) Formation of an alkane
B) Formation of an alkene
C) Formation of an alcohol
D) Formation of a Grignard reagent

Answer :

Final answer:

The reactions described are common in organic chemistry. An alkyl bromide, in the presence of magnesium metal, will commonly create a Grignard reagent. The H3O+ reaction depends on the starting material, which is not given.

Explanation:

The questions asked are all about organic chemistry reactions. I'll answer each reaction separately:

  1. For the formation of an alkene, alcohol or ketone with H3O+, it typically indicates a dehydration reaction. However, without knowing the starting material, it's difficult to determine the exact outcome.
  2. An alkyl bromide (~MgBr) can react to form a Grignard reagent, usually in the presence of a magnesium metal in dry ether, given the options you've presented (D).
  3. Again, with the alkyl bromide reaction, we're looking at the formation of a Grignard reagent, given the options (D).
  4. While there can be multiple possibilities for the outcome of a reaction starting with an alkyl bromide, the formation of a Grignard reagent is a very common reaction for this type of reagent.
  5. Without knowing the specifics, I cannot guess the resulting product of the reaction. In organic chemistry, many factors can contribute to the final product such as the reactants, the conditions under which the reaction is performed, and the solvents used.

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