Lecture 2 ....6 Flashcards

1
Q

Primary proton =
Secondary proton =
Tertiary proton =

A

0.9ppm
1.3ppm
1.7ppm

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2
Q

Sp3 proton=
Sp2 proton=
Sp proton=

A

0.9ppm
6.5-4.5 ppm
2ppm

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3
Q

Anisotropic effect is a

A

Secondary field effect

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4
Q

Benzene ring proton delta value

A

8.5 to 6.5

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5
Q

Kiske effect se Zada change aata hai delta value me
Field or GOC

A

Field effect se

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6
Q

In aromatic ring in anti aromatic non aromatic
At centre
At periphery

A

Shielding deshielding proton bonded to d
Deshielding shielding double bond
As alkene proton

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7
Q

When gamma value in rad per second per tesla using the formula

A

=gamma B0/2pi

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8
Q

Gamma equals to

A

Gn×Bn/hl

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9
Q

Enantiotropic proton gives

A

1 signal

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10
Q

Jo pos se pass ho jaaye wo kis type ka proton hai

A

Diasterotopic

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11
Q

In cyclohexane at low or high temperature how many signals Obtained

A

At low ……2
At high……1

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12
Q

Agr carbon centre kisi chiral centre se attach haai to us carbon centre ke protons kaise hone

A

Diastereotopic

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13
Q

How to calculate no. Of peaks

A

N+1
Where N is equal to no. Of proton

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14
Q

What the singlet triplet represent

A

Intensity of peaks

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15
Q

Coupling constant formula

A

Difference of nearest peak × operating frequency in MHz

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16
Q

Unit of cupling constant is

A

Hz