Advertisements
Advertisements
प्रश्न
The oxidation state of Fe in [Fe(CO)5] is ______.
पर्याय
+2
0
+3
+5
Advertisements
उत्तर
The oxidation state of Fe in [Fe(CO)5] is 0.
Explanation:
The oxidation state of the carbonyl group (CO) is zero.
Let, the oxidation state of Fe be ‘x’
`\implies` x + 5(0) = 0
`\implies` x + 0 = 0
`\implies` x = 0
Thus, the oxidation state of Fe in [Fe(CO)5] is 0.
APPEARS IN
संबंधित प्रश्न
|
`E_((M^(2+)/M)` |
Cr | Mn | Fe | Co | Ni | Cu |
| -0.91 | -1.18 | -0.44 | -0.28 | -0.25 | -0.34 |
From the given data of E0 values, answer the following questions :
(1) Why is `E_(((Cu^(2+))/(Cu)))` value exceptionally positive
(2) Why is `E_(((Mn^(2+))/(Mn)))` value is highly negative as compared to other elements
(3) Which is the stronger reducing agents Cr2+ or Fe2+ ? Give Reason.
How would you account for the irregular variation of ionization enthalpies (first and second) in the first series of the transition elements?
NF3 is possible, but NF5 is not. Why?
Interstitial compounds are formed when small atoms are trapped inside the crystal lattice of metals. Which of the following is not the characteristic property of interstitial compounds?
A solution of \[\ce{KMnO4}\] on reduction yields either a colourless solution or a brown precipitate or a green solution depending on pH of the solution. What different stages of the reduction do these represent and how are they carried out?
Assertion: The highest oxidation state of osmium is +8.
Reason: Osmium is a 5d-block element.
Mention the type of compounds formed when small atoms like H, C and N get trapped inside the crystal lattice of transition metals. Also give physical and chemical characteristics of these compounds.
Give reasons for the following statement:
Transition metals and most of their compounds show paramagnetic behaviour.
The given graph shows the trends in melting points of transition metals:
Explain the reason why Cr has the highest melting point and manganese (Mn) has a lower melting point.
Why are interstitial compounds well known for transition metals?
