Question

47.
(3) 1 > IV > Il > III (4) 1 > II > HII IV
Which of the following compound is insoluble in
aq NaOH ?
O=u=0
S-NH-
O
O=v=
0
S-NH-CH
O
O
==
o=v=0
N​

Answer 1

Answer:

I think last optionality