3 Flashcards

1
Q

Factors affecting J value
1. Bond distance
2. Bond angle

A
  1. Jitney pass protons honge eutna zada coupling hoga distance jaise jaise bhadega coupling kaam Hota jayega
  2. J value directly proportional to bond angle
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2
Q

How many types of coupling constant

A

1.1j CH
2. 2j GEMINAL
3. 3 j VICINAL
4. 4 J W

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3
Q

J values
O to 2 hz
2 to 4
6 to 8
8 to 12
12 t 16
16 to 18 hz

A

4j
2j sp2 carbon diastereotopic
3j vicinal on single bond ,cis ,Trans
2j geminal sp3

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4
Q

5H , multiplet

A

Monosubstituted benzene ring

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5
Q

Broad signal give by

A

Amine group

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6
Q

0 to 3 hz ke beech me kiss Tarah ke protons ke peaks dikae hai

A

Sp3 carbon se Jude EŴ group

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