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What may be the stable oxidation state of the transition element with the following d electron configurations in the ground state of its atom? 3d3 - Chemistry

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प्रश्न

What may be the stable oxidation state of the transition element with the following d electron configurations in the ground state of its atom?

3d3

अति संक्षिप्त उत्तर
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उत्तर

The stable oxidation state will be +5 due to the outer electronic configuration 3d3 4s2 (+2, +3, +4, +5).

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पाठ 4: The d-block and f-block Elements - Exercises [पृष्ठ ११५]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
पाठ 4 The d-block and f-block Elements
Exercises | Q 4.5 | पृष्ठ ११५

संबंधित प्रश्‍न

Which metal in the first transition series (3d series) exhibits + 1 oxidation state most frequently and why?


How would you account for the following? 

Transition metals exhibit variable oxidation states.

 


The elements of 3d transition series are given as: Sc Ti V Cr Mn Fe Co

Answer the following: Write the element which shows maximum number of oxidation states. Give reason.


In 3d series (Sc to Zn), which element has the lowest enthalpy of atomisation and why?


Why are Mn2+ compounds more stable than Fe2+ towards oxidation to their +3 state?


What are the characteristics of the transition elements and why are they called transition elements? 


Predict which of the following will be coloured in the aqueous solution?

Ti3+, V3+, Cu+, Sc3+, Mn2+, Fe3+ and Co2+. Give reasons for each.


Comment on the statement that elements of the first transition series possess many properties different from those of heavier transition elements.


Account for the following : 
 Ti4+ is colourless whereas V4+  is coloured in an aqueous solutions. 


Which is the most stable oxidation state of iron?


Transition elements show high melting points. Why?


When an oxide of manganese (A) is fused with KOH in the presence of an oxidising agent and dissolved in water, it gives a dark green solution of compound (B). Compound (B) disproportionates in neutral or acidic solution to give purple compound (C). An alkaline solution of compound (C) oxidises potassium iodide solution to a compound (D) and compound (A) is also formed. Identify compounds A to D and also explain the reactions involved.


Photographic film and plates have - au essential ingredient of


On adding NaOH, solution to the aqueous solution of K2CrO7 the colour of the solution changes from


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.


Why is the `"E"_(("V"^(3+)//"V"^(2+)))^"o"` value for vanadium comparatively low?


In the ground state of atomic Fe (Z = 26), the spin-only magnetic moment is ______ × 10-1 BM.
(Round off to the nearest integer).

[Given: `sqrt3 = 1.73, sqrt2 = 1.41`]


The second ionization enthalpies of chromium and manganese are 1592 and 1509 kJ/mol respectively. Explain the lower value of Mn.


A pair of coloured ions is ______.


Explain the magnetic properties of d-block (or transition) elements.


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