Types Of Attacking Reagents Flashcards

1
Q

What are electrophiles?

A

Electron lovers.

  1. Positively charged with incomplete octet
  2. Neutral with incomplete octet or vacant d orbital
  3. Molecule with pi bond and inpresence of highly EN atom
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2
Q

Which atom loses the electron?

A

The less EN one.

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3
Q

What do halogens act as? (Attacking Reagent)

A

Electrophiles

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4
Q

Elements of period 2

A

lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine and neon.

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5
Q

How does acidic character work along periods?

A

Acidic character is directly proportional to the EN of elements

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6
Q

How does Basicity work along period?

A

It runs parallel to Nucleophilicity.

It is inversely proportional to the EN of central atom.

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7
Q

Acidic Character is directly proportional to which group?

A

EWG

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8
Q

Acidic character is inversely proportional to which group?

A

EDG

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9
Q

How is carbocation formed from alcohol?

A

Alcohols bad leaving group is concerted into a good leaving group by protonation or lewis acid reaction or reaction with TsCl

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10
Q

Some examples of Lewis Acid

A

AlCl3, SbCl5

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11
Q

Diazotisation of Primary amine

A

R-NH2 + [NaNO2 + HCl] or HNO2 —-> R-N2 + —-> R+ + N2

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