Aromatic Substution Flashcards

1
Q

Kya benzene ring pr aromatic substitution Kar sate hai

A

No
Because substituted aromatic system caheiye Hota Hai

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2
Q

In addition then elimination process rate of rxn directly proportional to the

A

Concentration of substrate aur nucleophile
Nature of EWG
NUCLEOPHILICITY OF NUCLEOPHILE

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3
Q

Intra or intermolecular me koine si reactions favourable hoti hai

A

Intra

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4
Q

In smle rearrangement the fist reaction occurs

A

Acid base rxn
This reaction always taking place first

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5
Q

When in benzene ring EWG in ortho or para positions not present then which mechanism will be followed

A

Elimination then addition

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6
Q

Aromatic Substution kitne method se Kawa skte hsi

A

3

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7
Q
  1. MeI
    2.Ag2O ( moist )
  2. Heat
A

Sommulet houser rearrangement

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8
Q

Lithium undergoes chelation order
N,O, F

A

N>O>F

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9
Q

Rate of benzyne formation from halobenzene

A

Ph –Br> pH-l> ph-cl> ph-F

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10
Q

How many products will form in addition ten elimination proce

A

2 products

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11
Q

The major product formed in benzyne rxn are

A

EWG ke pass negative group hons cahiye

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12
Q

In which mechanism only inductive effect of group is considered

A

Benzyne formation

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