How many different isomers of alkene with molecular formula C7H14, on catalytic hydrogenation, can give 3-methyl hexane?Correct answer is '9'. Can you explain this answer?

Question

Answer

Explanation:

Isomers are compounds with the same molecular formula but different arrangements of atoms in space. In this case, we are looking for isomers of an alkene with the molecular formula C7H14 that can give 3-methyl hexane on catalytic hydrogenation.

Step 1: Draw the structural formula of 3-methyl hexane

3-methyl hexane has the structural formula:

Step 2: Draw the structural formula of the alkene

The alkene has the molecular formula C7H14, which means it has two fewer hydrogen atoms than 3-methyl hexane. Therefore, we can start by drawing all the possible ways to add a double bond to a chain of seven carbon atoms.

Step 3: Identify the isomers that can give 3-methyl hexane on catalytic hydrogenation

We can now check each of these isomers to see if they can give 3-methyl hexane on catalytic hydrogenation. If an isomer can give 3-methyl hexane, it means that it has a methyl group (CH3) attached to the third carbon atom from the double bond.

Isomer 1: This isomer cannot give 3-methyl hexane on catalytic hydrogenation because it does not have a methyl group attached to the third carbon atom from the double bond.

Isomer 2: This isomer can give 3-methyl hexane on catalytic hydrogenation because it has a methyl group attached to the third carbon atom from the double bond.

Isomer 3: This isomer cannot give 3-methyl hexane on catalytic hydrogenation because it does not have a methyl group attached to the third carbon atom from the double bond.

Isomer 4: This isomer can give 3-methyl hexane on catalytic hydrogenation because it has a methyl group attached to the third carbon atom from the double bond.

Isomer 5: This isomer cannot give 3-methyl hexane on catalytic hydrogenation because it does not have a methyl group attached to the third carbon atom from the double bond.

Isomer 6: This isomer can give 3-methyl hexane on catalytic hydrogenation because it has a methyl group attached to the third carbon atom from the double bond.

Isomer 7: This isomer cannot give 3-methyl hexane on catalytic hydrogenation because it does not have a methyl group attached to the third carbon atom from the double bond.

Isomer 8: This isomer can give 3-methyl hexane on catalytic hydrogenation because it has a methyl group attached to the third carbon atom from the double bond.

Isomer 9: This isomer can

Answer

9 is correct.

Answer

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