Geometrical Isomerism Flashcards
1
Q
Caused due to restricted rotation of atom/group along
A
C=C, C=N, N=N
2
Q
Aerial dist b/w like grp must differ
A
No GI if same atom or group lie on same carbon
3
Q
Min no of C atm in alkene to show GI
A
4
4
Q
In Diazzo compounds
A
Min no of C req =0
5
Q
Cis/syn/Z
A
Same side, adjacent carbon
6
Q
Trans/anti/E
A
Opp side, adjacent carbon
7
Q
Based on CIP/ sequence rule/ priority rule
A
1) more the atomic number, more the priority
F<Cl<Br<I
2) for isotopes, more the at mass, more priority
H<D<T
3) LP gets less priority
4) >C=C (duplicate)
-C=_N (triplicate)
8
Q
If end is symmetrical (total no of GI)
A
2^n
n= no of (C=C)
9
Q
If end is symmetrical
A
2^n-¹+2^n/²-¹
10
Q
If n is odd
A
2^n-¹+2^(n-¹)/2
11
Q
Stability
A
Trans>cis
12
Q
BP
A
Cis>trans
13
Q
MP
A
Tans>cis
14
Q
Cis is polar trans is non polar
A
Cis form is more stable in polar solvent
