Video Solution: (a) How many alkenes yield 2,2,3,4,4-pentamethylpentane on c...

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Organic Chemistry / Catalytic Hydrogenation of Alkenes / Problem #16118

(a) How many alkenes yield 2,2,3,4,4-pentamethylpentane on catalytic hydrogenation? 

Fill in the box with the product(s) that are missing from the chemical reaction equation. Draw only the predominant regioisomer product or products (i.e. Markovnikov or non-Markovnikov products) and please remember that you must draw the structures of all the product stereoisomers using wedges and dashes to indicate stereochemistry. When a racemic mixture is formed, you must write "racemic" under both structures EVEN THOUGH YOU DREW BOTH STRUCTURES.

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Draw the structure of likely product upon reaction of the following molecules with the first (one) equivalent of H2 gas in the presence of Pd/C.

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What products are produced from the reaction below?

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Provide the major product for each of the following alkene reactions. 

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Using a chair conformation, draw the most stable conformation of the product from the following reaction.

 

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Draw the product(s) from the following reaction. Show any relevant regio- and or stereochemistry and asterisk any chiral centers.

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Draw the structure of the likely product upon reaction of the following molecules with the first (one) equivalent of H2 gas in the presence of Pd/C.

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Which reagents are best suited for this transformation?

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Which one of the following is not a metal catalyst for the hydrogenation of an alkene?

A) Pd

B) Pt

C) Na

D) Ni

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What will be the major product of the following reaction? Pay careful attention to the stereochemistry of the product.

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Predict the product(s).

 

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What products are produced from the reaction below?

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Determine the Index of Hydrogen Deficiency for the starting material shown below.

Predict the product of the following reaction. 

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What product is formed when trans-1,2-dimethylcyclohexane is reacted with Pd/C and H2?

A.  No reaction
B.  cis-1,2-dimethylcyclohexane
C.  trans-3,4-dimethylhexane
D.  trans-1,2-dimethylhexane
E.  None of the above

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