1
LEC#2 NITROGEN AND ITS COMPOUNDS
26:14
2
LEC#3 OXIDES OF NITROGEN (PART-1)
28:51
3
LEC#13 OXYACIDS OF PHOSPHORUS
45:24
4
LEC#4 OXIDES OF NITROGEN (PART-2)
38:19
5
LEC#17 SULPHURIC ACID (PART-2)
38:05
LEC#6 NITROUS ACID
42:01
9
LEC#16 SULPHURIC ACID (PART-1)
36:30
10
LEC#7 NITRIC ACID (PART-1)
29:20
11
LEC#11 HALIDES OF PHOSPHORUS
31:19
12
LEC#12 OXIDES OF PHOSPHORUS
30:37
13
LEC#5 OXIDES OF NITROGEN (PART-3)
33:36
16
LEC#8 NITRIC ACID (PART-2)
36:32

LEC#6 NITROUS ACID