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The hydrocarbon with seven carbon atoms containing a neopentyl and a vinyl group is :
- a)2, 2-dimethyl-4-pentene
- b)Isopropyl-2-butene
- c)4, 4-dimethylpentene
- d)2, 2-dimethyl-3-pentene 5
Correct answer is option 'C'. Can you explain this answer?
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The hydrocarbon with seven carbon atoms containing a neopentyl and a v...
Hydrocarbon with Neopentyl and Vinyl group
The hydrocarbon with seven carbon atoms containing a neopentyl and a vinyl group is:
Option C: 4, 4-dimethylpentene
Explanation:
To determine the correct structure, we need to first understand the neopentyl and vinyl group.
Neopentyl group: It is also known as 2,2-dimethylpropane. It is a branched alkyl group with four carbon atoms attached to a central carbon atom. The neopentyl group is highly symmetric and has a tetrahedral geometry.
Vinyl group: It is also known as ethenyl group, is a functional group with the formula -CH=CH2. It is an unsaturated alkyl group that has a double bond between the two carbon atoms.
Therefore, the hydrocarbon with seven carbon atoms containing a neopentyl and a vinyl group can be represented as:
- The neopentyl group has four carbon atoms, so the remaining three carbon atoms will be in a straight chain.
- The vinyl group has a double bond between two carbon atoms, so it must be attached to the end of the straight chain.
- The two methyl groups can be attached to any of the remaining carbon atoms.
Hence, the structure of the hydrocarbon is:
CH3 - C(CH3)3 - CH=CH - CH(CH3)2
The IUPAC name of this hydrocarbon is 4,4-dimethylpentene.
The hydrocarbon with seven carbon atoms containing a neopentyl and a vinyl group is:
Option C: 4, 4-dimethylpentene
Explanation:
To determine the correct structure, we need to first understand the neopentyl and vinyl group.
Neopentyl group: It is also known as 2,2-dimethylpropane. It is a branched alkyl group with four carbon atoms attached to a central carbon atom. The neopentyl group is highly symmetric and has a tetrahedral geometry.
Vinyl group: It is also known as ethenyl group, is a functional group with the formula -CH=CH2. It is an unsaturated alkyl group that has a double bond between the two carbon atoms.
Therefore, the hydrocarbon with seven carbon atoms containing a neopentyl and a vinyl group can be represented as:
- The neopentyl group has four carbon atoms, so the remaining three carbon atoms will be in a straight chain.
- The vinyl group has a double bond between two carbon atoms, so it must be attached to the end of the straight chain.
- The two methyl groups can be attached to any of the remaining carbon atoms.
Hence, the structure of the hydrocarbon is:
CH3 - C(CH3)3 - CH=CH - CH(CH3)2
The IUPAC name of this hydrocarbon is 4,4-dimethylpentene.
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The hydrocarbon with seven carbon atoms containing a neopentyl and a vinyl group is :a)2, 2-dimethyl-4-penteneb)Isopropyl-2-butenec)4, 4-dimethylpentened)2, 2-dimethyl-3-pentene 5Correct answer is option 'C'. Can you explain this answer?
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