Questions tagged [inductive-effect]

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How does the relative acidity of 2,3-dinitrophenol compare to that of 2,4-dinitrophenol?

I am assuming that the -I inductive effect in 2,3-dinitrophenol is stronger than in 2,4-dinitrophenol since it operates through less bonds, therefore on inductive grounds it should have a lower $\...
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1answer
80 views

What is the stability order of the carbocation and carboanion?

So I came up with examples as below: 1 2 Now I am confused about the +I and -I effect in these structures since to my knowledge it can only be applied when there is a substituent (I might be wrong)...
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123 views

Which substitutent should be placed on axial position in SCl2(OCH3)2?

According to Bent's rule, in $\mathrm{sp^3d}$ more electronegative element is placed on the axial position, so between $\ce{Cl}$ and $\ce{OCH3}$ in $\ce{SCl2(OCH3)2}$ which should be placed on axial ...
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1answer
184 views

Which of the two structures is more stable?

Which of the two structures is more stable? As far as I know, alkenes with a greater number of hyperconjugating structures are more stable. Hyperconjugation has a greater stabilizing effect ...
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1answer
107 views

Does hyperconjugation into sigma-star explain methylamine's increased basicity relative to ammonia?

The inductive effect with the polarisation of the C-N bond obviously plays a role in stabilising the positive charge of the conjugate acid. But given the similar electronegativities for C and H, CH3 ...
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0answers
30 views

Does an electronegative atom which carries a negative formal charge withdraw electrons by induction?

Electronegative atoms withdraw electrons by their inductuve effect. Does this fact remain true even when they are heavily loaded with electrons through negative formal charge? Are these two ideas ...
2
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1answer
61 views

Inductive effect of alkyl ammonium groups

Why $\ce{-NR3+}$ has more -I effect than $\ce{-NH3+}?$ And what about order of $\ce{-NHR2+}$ and $\ce{-NH2R+}?$ My attempts I got idea about electronegativity of carbon atom in $\ce{R}$ is more ...
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197 views

Which of the following groups show +M and -I effect?

Which of the following group show +M and -I effect? (A) $\ce{-\underset{\underset{\huge O}{||}}{C}-F}$ (B) $\ce{-\underset{\underset{\huge O}{||}}{C}-OR}$ (C) $\ce{-O^-}$ (D) $\ce{-OH}$ ...
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2answers
1k views

When 2-pentene reacts with HBr, what will be the major product?

If we consider the first step (formation of carbocation by the attack of the proton). A couple of textbooks I referred say that when the substituents on the $\ce{C=C}$ are different, the direction of ...
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83 views

Acidity order of carboxylic compounds [duplicate]

Arrange the following acids in decreasing order of acidity: (a) X > Z > Y (b) X > Y > Z (c) Z > X > Y (d) Z > Y > X I arrived at option (c) according to -I effect, but the answer ...
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1answer
103 views

Confusions about inductive effect and acid strength

If one of the hydrogens in the alkyl side chain of ethanoic acid is replaced with an atom of Chlorine, the acid has a larger Ka value. My book says this is since the Cl "borrows" electron density from ...
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1answer
583 views

Which Carbocation is most stable among the three? [closed]

According to me the answer should be (C) as that Carbocation will be stablized by resonance with Chlorine. I have read that resonance is the biggest deciding factor about the stability of a ...
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486 views

Why is C2H5 a stronger +I group than CH3?

While reading about the basic character of amines, I came across a note which said that $\ce{CH3-CH2-NH2}$ was more stable than $\ce{CH3-NH2}$ as $\ce{C2H5}$ was a stronger +I group than $\ce{CH3}$. ...
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1answer
208 views

Stability order of methy benzyl cations?

I know that meta position shown no resonance effect and hyperconjugation effect . So According to the order given I guess Hyperconjugating effect is taken into account as -CH3 has no Resonance effects....
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1answer
255 views

Give the order of nucleophilic addition reaction in the following -

I am confused that whether we should take only inductive or hyperconjugation effect also into consideration while finding the order. As the answer in the book is only according to inductive effect . ...
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76 views

Mechanism of substitution for disubstituted benzene

Here, I count the individual effects of the two oppositely directing groups. I assume that the deactivation of $\ce{NO_2}$ group at ortho and meta positions is higher. While bromination, I get the ...
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1answer
609 views

Comparing relative negative inductive effect of substituents (dialkyl amine, amine, alkoxide, fluoride)

Which of the following is correct with respect to the negative inductive effect of the substituents? 1. $\ce{-NR2 < -OR < -F}$ 2. $\ce{-NH2 < -OR < -F}$ 3. $\ce{-NR2 > -OR > -F}...