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In which of the following species, incor...

In which of the following species, incorrect direction of Inductive effect is shown?

A

B

C

D

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To determine which species shows an incorrect direction of the inductive effect, we need to analyze the inductive effect in each of the given species. The inductive effect is the permanent polarization of a bond due to the electronegativity difference between atoms. ### Step-by-Step Solution: 1. **Identify the Species**: Let's denote the species as A, B, C, and D. We will analyze each one for the direction of the inductive effect. 2. **Analyze Species A**: - Species A has a structure with a -CH3 (methyl) group and an electron-donating group (like an alkyl group). - The methyl group donates electron density towards the ring, showing a positive inductive effect (+I). - **Direction**: Correctly shows the inductive effect. 3. **Analyze Species B**: - In Species B, there is an oxygen atom with lone pairs that can participate in resonance. - Oxygen is more electronegative than carbon, so it pulls electron density towards itself. - This results in a positive charge density on carbon, indicating a +I effect from the alkyl group. - **Direction**: Correctly shows the inductive effect. 4. **Analyze Species C**: - In Species C, the oxygen has a negative charge and is involved in resonance. - The resonance increases electron density on the carbon atom. - Since carbon is less electronegative, it can handle the increased electron density, and it shares this with neighboring groups. - **Direction**: Correctly shows the inductive effect. 5. **Analyze Species D**: - In Species D, the oxygen atom pulls electrons from carbon due to its higher electronegativity. - This leads to an increase in positive charge density on carbon. - However, the presence of an alkyl group (which is typically electron-donating) should not allow the oxygen to behave like a -I effect. - Instead, the alkyl group should provide a +I effect, but here it is behaving incorrectly as a -I effect. - **Direction**: Incorrectly shows the inductive effect. 6. **Conclusion**: Based on the analysis, Species D shows an incorrect direction of the inductive effect. ### Final Answer: The species that shows an incorrect direction of the inductive effect is **Species D**.

To determine which species shows an incorrect direction of the inductive effect, we need to analyze the inductive effect in each of the given species. The inductive effect is the permanent polarization of a bond due to the electronegativity difference between atoms. ### Step-by-Step Solution: 1. **Identify the Species**: Let's denote the species as A, B, C, and D. We will analyze each one for the direction of the inductive effect. 2. **Analyze Species A**: - Species A has a structure with a -CH3 (methyl) group and an electron-donating group (like an alkyl group). ...
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A2Z-SOME BASIC PRINCIPALS OF ORGANIC CHEMISTRY-Section D - Chapter End Test
  1. In which of the following species, incorrect direction of Inductive ef...

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  2. Arrange the following comounds in increasing order of length of their ...

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  3. The order of heat of hydrogenation in following compounds is:

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  4. S(N)1 reaction is faster in

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  5. Which compound would be least soluble in water?

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  6. Among the following compound which can be dehydrated very easily is :

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  7. Which of the follwing is not the characteristic of the mechanism of fr...

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  8. Find the strongest acid among the following compound

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  9. Among the following the dissociation constant is highest

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  10. Which one of the following compounds is most acidic

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  11. The optically active tartaric acid is named as D-(+)- tartaric acid be...

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  12. Among the following compounds (I-II) the correct order of reaction wit...

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  13. The following reaction is described as

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  14. Which of the following is the most stable cation?

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  15. The observed dipole moment of nitromethane is highly than the dipole m...

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  16. Dehydrohalogenation in presence of OH^(-) is correct represented by

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  17. Among the following the aromatic compound is

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  18. Which of the following compounds are not arranged in order of decreasi...

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  19. Most stable carbonium ion is :

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  20. Which one of the following species is most stable

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  21. Which of the following gives most stable carbocation by dehydration

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