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Which branched chain isomer of the hydrocarbon with molecular mass 72u gives only one isomer of mono substituted alkyl halide?
- a)Tertiary butyl chloride
- b)Isohexane
- c)Neohexane
- d)Neopentane
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
Which branched chain isomer of the hydrocarbon with molecular mass 72u...
Since we are getting monosubstituted alkyl halide so it is neopentane.
Most Upvoted Answer
Which branched chain isomer of the hydrocarbon with molecular mass 72u...
The hydrocarbon with molecular mass 72u has the formula C6H12, which can exist in different isomeric forms.
Explanation:
There are three possible branched chain isomers of C6H12: neohexane, isohexane, and neopentane.
- Isohexane: This isomer has a straight chain of four carbon atoms, with a methyl group attached to the second carbon atom. It can give two different monosubstituted alkyl halides, depending on which carbon atom is substituted. Therefore, option B is not correct.
- Neohexane: This isomer has a branched chain with a tertiary carbon atom (three other carbon atoms attached to it). It can give three different monosubstituted alkyl halides, depending on which carbon atom is substituted. Therefore, option C is not correct.
- Neopentane: This isomer has a branched chain with a quaternary carbon atom (four other carbon atoms attached to it). It can give only one monosubstituted alkyl halide because there is only one possible site for substitution. Therefore, option D is correct.
- Tertiary butyl chloride: This compound has a branched chain with a tertiary carbon atom and a chlorine atom attached to it. It is not an isomer of C6H12, so option A is not correct.
Therefore, the correct answer is option D, neopentane.
Explanation:
There are three possible branched chain isomers of C6H12: neohexane, isohexane, and neopentane.
- Isohexane: This isomer has a straight chain of four carbon atoms, with a methyl group attached to the second carbon atom. It can give two different monosubstituted alkyl halides, depending on which carbon atom is substituted. Therefore, option B is not correct.
- Neohexane: This isomer has a branched chain with a tertiary carbon atom (three other carbon atoms attached to it). It can give three different monosubstituted alkyl halides, depending on which carbon atom is substituted. Therefore, option C is not correct.
- Neopentane: This isomer has a branched chain with a quaternary carbon atom (four other carbon atoms attached to it). It can give only one monosubstituted alkyl halide because there is only one possible site for substitution. Therefore, option D is correct.
- Tertiary butyl chloride: This compound has a branched chain with a tertiary carbon atom and a chlorine atom attached to it. It is not an isomer of C6H12, so option A is not correct.
Therefore, the correct answer is option D, neopentane.
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Which branched chain isomer of the hydrocarbon with molecular mass 72u gives only one isomer of mono substituted alkyl halide?a)Tertiary butyl chlorideb)Isohexanec)Neohexaned)NeopentaneCorrect answer is option 'D'. Can you explain this answer?
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