Question:
Arrange the carbanions, $\left(CH_{3}\right)_{3}\, \bar{C}, \bar{C}Cl_{3}, \left(CH_{3}\right)_{2}\, \bar{C}H, C_{6}H_{5}\, \bar{C}H_{2}$, in order of their decreasing stability :
Arrange the carbanions, $\left(CH_{3}\right)_{3}\, \bar{C}, \bar{C}Cl_{3}, \left(CH_{3}\right)_{2}\, \bar{C}H, C_{6}H_{5}\, \bar{C}H_{2}$, in order of their decreasing stability :
Updated On: Jun 23, 2023
- $C_{6}H_{5}\,\bar{C}H_{2} > \bar{C}Cl_{3} > \left(CH_{3}\right)_{3}\,\bar{C} > \left(CH_{3}\right)_{2}\,\bar{C}H$
- $\left(CH_{3}\right)_{2}\,\bar{C}H > \bar{C}Cl_{3} > C_{6}H_{5}\,\bar{C}H_{2} > \left(CH_{3}\right)_{3}\,\bar{C}$
- $\bar{C}Cl_{3} > C_{6}H_{5}\,\bar{C}H_{2} > \left(CH_{3}\right)_{2}\,\bar{C}H > \left(CH_{3}\right)_{3}\,\bar{C}$
- $\left(CH_{3}\right)_{3}\,\bar{C }> \left(CH_{3}\right)_{2}\,\bar{C}H > C_{6}H_{5}\,\bar{C}H_{2} > \bar{C}Cl_{3}$
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The Correct Option is C
Solution and Explanation
$2^o$ carbanion is more stable than $3^o$ and $Cl$ is $-I$ effect group.
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Concepts Used:
Organic Chemistry - Some Basic Principles and Techniques
Organic Chemistry is a subset of chemistry dealing with compounds of carbon. Therefore, we can say that Organic chemistry is the chemistry of carbon compounds and is 200-225 years old. Carbon forms bond with itself to form long chains of hydrocarbons, e.g.CH4, methane and CH3-CH3 ethane. Carbon has the ability to form carbon-carbon bonds quite elaborately. Polymers like polyethylene is a linear chain where hundreds of CH2 are linked together.
Read Also: Organic Compounds
Importance of Organic Chemistry:
Organic chemistry is applicable in a variety of areas including-
- Medicines: Example- Aspirin which is a headache medicine and Ibuprofen is a painkiller, both are organic compounds. Other examples include paracetamol.
- Food: Example- Starch which is a carbohydrate is an organic compound and a constituent of rice and other grains. It is the source of energy.
- Clothing: Example- Nylon, Polyester and Cotton are forms of organic compounds.
- Fuels: Examples- Gasoline, Petrol and Diesel are organic compounds used in the automobile industry at large.