Isomerism Flashcards by Aria Urqhart

Q

Alcohol and Ether?

A

Functional Isomerism

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Q

Cyanide and isocyanide?

A

Functional Isomerism

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Q

Define Metamerism

A

Same molecular formula bit different alkyl groups on either side of the functional group

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Q

Ethoxyethane and Methoxypropane?

A

Metamers

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Q

N-ethylethanamine and N-Methylpropanamine?

A

Metamers

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Q

Pentan-2-one and Pentan-3-one?

A

Metamers

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Q

Ketone?

A

Both positional and functional isomerism

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Q

Which FG shows both functional and positional isomerism?

A

Ketones

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Q

Propanal and Propanone?

A

Functional Isomerism

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Q

Ethanoic Acid and Methylmethanoate?

A

Functional Isomerism

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Q

But-2-ene and But-1-ene?

A

Positional Isomerism

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Q

How many isomers does pentane have?

A

3

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Q

N-Pentane, Iso-Pentane and Neo-Pentane?

A

Chain Isomerism

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Q

Butane and 2-MethylPropane?

A

Chain Isomerism

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Q

Number of types of Structural Isomers?

A

4

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Q

E¹ rxn forms

A

Carbene

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Q

E² rxn forms

A

Alkene

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Q

E³ rxn forms

A

Cyclic compounds

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Q

E¹ rxn removes

A

Alpha H

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Q

E² rxn removes

A

Beta H

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Q

E³ rxn removes

Study These Flashcards

A

Gamma H

Q

Another name for Hyperconjugation?

Study These Flashcards

A

Nathan Baker Effect

Q

What is Nathan Baker Effect?

Study These Flashcards

A

Hyperconjugation

Q

Which bond is delocalised in Hyperconjugation?

Study These Flashcards

A

Sigma Bond

On what does Hyperconjugation depend on?

Number of Alpha H

No Bond Resonance?

Hyperconjugation

Which orbital is overlapped in Hyperconjugation?

P orbital

Trend of relative stability of carbocation

3⁰>2⁰>1⁰

Trend of relative stability of Carbonium

1⁰>2⁰>3⁰

Trend of relative stability of free rad

3⁰>2⁰>1⁰

Mesomeric Effect is also called?

Resonance

Delta H of resonance is?

Negative

Define Resonance

The phenomenon of exhibiting more than one possible structures.

Intermediate formed in Resonance?

Resonating Structure

+M has

ERG

-R has

EWG

+R gives which kind of rxns

Electrophilic rxns

-R gives which kind if rxns

Acidity rxns

CPM has which effect?

Dancing resonance

CPM stands for

Cyclo Propylic Methyl Carbocation

Inductive effect is Permanent? True or false?

True

I effect is dependent on?

Distance

Criteria for -I effect?

EWG+ Carbon chain

Criteria for +I effect?

ERG+Carbon chain

+I goes towards

Chain

-I goes towards

More EN molecule

Electromeric effect is temporary, true or false?

True

Which bond does E effect destroys?

Double bonds

+E transfers electron

Towards the atom being attacked

-E shifts the electron pair

Away from the atom attacked by reagent

+E has

+ve ka attack

-E has

-ve ka attack