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Among the isomeric alkane of molecular formula C5 H12 identify the one that on photochemical chlorination yields (1) a single monochloride (2) three isomeric monochloride (3) four isomeric monochloride?
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Among the isomeric alkane of molecular formula C5 H12 identify the one...
Isomeric Alkanes of C5H12
C5H12 has three structural isomers:
- n-Pentane
- Isopentane (2-Methylbutane)
- Neopentane (2,2-Dimethylpropane)
Each isomer behaves differently during photochemical chlorination.
1. Single Monochloride: n-Pentane
- Chlorination Products: n-Pentane yields only one monochloride (chlorination at any of the five equivalent carbon positions gives the same product).
- Reason: All hydrogen atoms are equivalent, leading to a single product.
2. Three Isomeric Monochlorides: Isopentane
- Chlorination Products: Isopentane produces three distinct monochlorides.
- Isomers: The possible chlorinated products are:
- 2-Chloro-2-methylbutane
- 3-Chloro-2-methylbutane
- 1-Chloro-2-methylbutane
- Reason: Chlorination leads to different products due to the presence of both primary and secondary hydrogen atoms.
3. Four Isomeric Monochlorides: Neopentane
- Chlorination Products: Neopentane results in four isomeric monochlorides.
- Isomers: The possible chlorinated products are:
- 1-Chloro-2,2-dimethylpropane
- 2-Chloro-2,2-dimethylpropane
- 3-Chloro-2,2-dimethylpropane
- 1-Chloro-2-methylpropane
- Reason: The unique structure allows for more variations in the positions of chlorine substitution.
Conclusion
- n-Pentane yields one monochloride.
- Isopentane yields three isomeric monochlorides.
- Neopentane yields four isomeric monochlorides.
Understanding these variations is crucial for predicting the outcomes of reactions involving different isomers.
C5H12 has three structural isomers:
- n-Pentane
- Isopentane (2-Methylbutane)
- Neopentane (2,2-Dimethylpropane)
Each isomer behaves differently during photochemical chlorination.
1. Single Monochloride: n-Pentane
- Chlorination Products: n-Pentane yields only one monochloride (chlorination at any of the five equivalent carbon positions gives the same product).
- Reason: All hydrogen atoms are equivalent, leading to a single product.
2. Three Isomeric Monochlorides: Isopentane
- Chlorination Products: Isopentane produces three distinct monochlorides.
- Isomers: The possible chlorinated products are:
- 2-Chloro-2-methylbutane
- 3-Chloro-2-methylbutane
- 1-Chloro-2-methylbutane
- Reason: Chlorination leads to different products due to the presence of both primary and secondary hydrogen atoms.
3. Four Isomeric Monochlorides: Neopentane
- Chlorination Products: Neopentane results in four isomeric monochlorides.
- Isomers: The possible chlorinated products are:
- 1-Chloro-2,2-dimethylpropane
- 2-Chloro-2,2-dimethylpropane
- 3-Chloro-2,2-dimethylpropane
- 1-Chloro-2-methylpropane
- Reason: The unique structure allows for more variations in the positions of chlorine substitution.
Conclusion
- n-Pentane yields one monochloride.
- Isopentane yields three isomeric monochlorides.
- Neopentane yields four isomeric monochlorides.
Understanding these variations is crucial for predicting the outcomes of reactions involving different isomers.
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Among the isomeric alkane of molecular formula C5 H12 identify the one that on photochemical chlorination yields (1) a single monochloride (2) three isomeric monochloride (3) four isomeric monochloride?
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