Question

1. Why is Bi(v) a stronger oxidant than Sb(v)?
2. What is the oxidation number of phosphorus in H3PO2 molecule?
3. Fluorine does not exhibit any positive oxidation state. Why?
4. Which is a stronger reducing agent, SbH3 or BiH3, and why?
5. Why do transition elements show variable oxidation states?
6. Explain the following observations:
(i) Transition elements generally form coloured compounds.
(ii) Zinc is not regarded as a transition element.
7. Assign reasons for each of the following:
(i) Transition metals generally form coloured compounds.
(ii) Manganese exhibits the highest oxidation state of +7 among the 3d series of
transition elements.​

Answer 1

Answer:

stronger oxidant than Sb(v)?

2. What is the oxidation number of phosphorus in H3PO2 molecule?

3. Fluorine does not exhibit any positive oxidation state. Why?

4. Which is a stronger reducing agent, SbH3 or BiH3, and why?

5. Why do transition elements show variable oxidation states?

6. Explain the following observations:

(i) Transition elements generally form coloured compounds.

(ii) Zinc is not regarded as a transition element.

7. Assign reasons for each of the following:

(i) Transition metals generally form coloured compounds.

(ii) Manganese exhibits the highest oxidation state of +7 among the 3d series of

transition