Question

6. State the valency in each case and name the following elements or radicals given below.
[The first two have been done for you]
1) K (Ans: K1+ - potassium]
2] Cr2O, (Ans: Cr20-2- - dichromate]
3) C
4) Ni
4] CIO3
6] CO3
7] Ba
9] NO2
10] Na
12] Zn
14] o
15) Co
16] Cro4
17] CIO
19] Li
20] I
21] OH
24] SiO3
25] NO3
26] SO3
27] SO4
29] N
30] C
33] Ca
31] PO3
32] Al
34] H
38] Cr
35] PbO2
36] HSO3
37] AlO2
39] HSO4 40] NHA
11] Br
8) HCO3
13] Mg
18] MnO4
23] ZnO2
28] PO4
22] O2​

Answer 1

Answer:

co is better for liquid crystal and oxygen o is different from 6

Answer 2

Answer:

YOUR ANSWER IS IN THE ATTACHMENT ▪︎☆☆