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प्रश्न
Assertion (A): Transition metals show their highest oxidation state with oxygen.
Reason (R): The ability of oxygen to form multiple bonds to metals.
पर्याय
Both (A) and (R) are true and (R) is the correct explanation of (A).
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true.
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उत्तर
Both (A) and (R) are true and (R) is the correct explanation of (A).
Explanation:
Because it can establish many connections with metal, oxygen has the ability to stabilize high oxidation states.
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संबंधित प्रश्न
What is meant by ‘disproportionation’?
Which metal in the first series of transition metals exhibits +1 oxidation state most frequently and why?
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Transition metals and their compounds act as catalysts.
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Although fluorine is more electronegative than oxygen, but the ability of oxygen to stabilise higher oxidation states exceeds that of fluorine. Why?
Which of the following ions will exhibit colour in aqueous solution?
Match List - I with List - II.
| List - I | List - II | ||
| (A) | [Fe(CN)6]3− | (i) | 5.92 BM |
| (B) | [Fe(H2O)6]3+ | (ii) | 0 BM |
| (C) | [Fe(CN)6]4− | (iii) | 4.90 BM |
| (D) | [Fe(H2O)6]2+ | (iv) | 1.73 BM |
Choose the correct answer from the options given below.
The oxidation state of Fe in [Fe(CO)5] is ______.
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(Atomic number: Mn = 25, Co = 27, Ni = 28)
Compare the general characteristics of the first series of the transition metals with those of the second and third series metals in the respective vertical columns. Give special emphasis on the following point:
Atomic sizes
