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Which type of isomerism can be interconverted by simple rotations around single bonds without breaking any covalent bonds?Question 7Answera.Geometric Isomersb.Conformational Isomersc.Configurational Isomersd.Structural Isomers

Question

Which type of isomerism can be interconverted by simple rotations around single bonds without breaking any covalent bonds?Question 7Answera.Geometric Isomersb.Conformational Isomersc.Configurational Isomersd.Structural Isomers

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Solution

The type of isomerism that can be interconverted by simple rotations around single bonds without breaking any covalent bonds is Conformational Isomers (b).

Here's a step-by-step explanation:

  1. Isomers are molecules that have the same molecular formula but different structural formulas. They are divided into two main types: structural (or constitutional) isomers and stereoisomers.

  2. Structural isomers have different connectivity of atoms, while stereoisomers have the same connectivity but different arrangement in space.

  3. Stereoisomers are further divided into geometric (or cis-trans) isomers, conformational isomers, and optical isomers (or enantiomers).

  4. Geometric isomers occur due to restricted rotation around double bonds or rings, leading to different spatial arrangements of groups. They cannot be interconverted without breaking covalent bonds.

  5. Conformational isomers, on the other hand, can be interconverted by simple rotations around single bonds without breaking any covalent bonds. They are different spatial arrangements of atoms that result from rotation around a single bond.

  6. Configurational isomers are stereoisomers that cannot be interconverted without breaking covalent bonds. They include geometric and optical isomers.

  7. Therefore, the answer is Conformational Isomers.

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Which term can be used to classify the relationship between two isomers that have the same connectivity but specific rotations of +40° and −25°, respectively?A.EnantiomersB.Racemic mixtureC.DiastereomersD.Conformational isomersSubmit

he compounds among the following which cannot exhibit geometrical isomerism is geometrical isomerism is

Geometric isomerism, also known as cis-trans isomerism, arises due to restricted rotation, typically around a double bond or in cyclic compounds. The isomers differ based on the relative positions of substituents. For instance, in 2-butene, the cis isomer has both methyl groups on the same side of the double bond, while the trans isomer has them on opposite sides. On the other hand, optical isomerism occurs in molecules with chiral centres, leading to non-superimposable mirror images called enantiomers. For example, lactic acid exists as two enantiomers: D-lactic acid and L-lactic acid, which rotate plane-polarised light in opposite directions.

Number of compounds will not exhibit geometrical isomerism :(i)   (ii)   (iii)  (iv)

[Co(NH3)6][Cr(CN)6] and [Cr(NH3)6][Co(CN)6] are an example of(1 Ponto)Coordination isomerismlinkage isomerismHydrate isomerismligand isomerism

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