Question

3.
In case of CH,COOH, the oxidation number of carbon
of carboxylic group is
(1) -3
(2) Zero
(3) +1
(4) +3
Which compound acts as oxidising agent only?
(1) SO2
(2) HS
(3) H SO.
(4) HNOZ
5. The average oxidation state of chlorine in bleaching
powder is
(1) -1
(2) +1
(3) Zero
(4) --2 as well as +2
6. When benzaldehyde is oxidised to give benzoic
acid then the oxidation state of carbon of aldehydic
group is changed from
(1) +2 to +3
(2) +1 to +3
(3) Zero to +2
14) No chanan​

Answer 1

Answer:

5

Explanation:

-1 is the correct answer please please please mark me your brainleist answer