English
Karnataka Board PUCPUC Science 2nd PUC Class 12

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

Advertisements
Advertisements

Question

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

3d3

Very Short Answer
Advertisements

Solution

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

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: d-and ƒ-Block Elements - VERY SHORT ANSWER TYPE QUESTIONS [Page 495]

APPEARS IN

Nootan Chemistry [English] Class 12 ISC
Chapter 4 d-and ƒ-Block Elements
VERY SHORT ANSWER TYPE QUESTIONS | Q 51. i. | Page 495
Nootan Chemistry [English] Class 12 ISC
Chapter 4 d-and ƒ-Block Elements
'NCERT TEXT-BOOK, Exercises | Q 8.5 i. | Page 506
NCERT Chemistry Part 1 and 2 [English] Class 12
Chapter 4 The d-block and f-block Elements
Exercises | Q 4.5 (i) | Page 115

RELATED QUESTIONS

Account for the following:

Mn shows the highest oxidation state of +7 with oxygen but with fluorine, it shows oxidation state of +4.


What are the transition elements? Write two characteristics of the transition elements.


How would you account for the following : Transition metals form coloured compounds


Account for the following:

Zn is not considered as a transition element.


Account for the following:

E° value for the Mn3+/Mn2+ couple is much more positive than that for Cr3+/Cr2+.


Which of the 3d series of the transition metals exhibits the largest number of oxidation states and why?


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


Which one of the following ions is coloured?


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


Explain why transition metals and their compounds act as a catalyst.


Give reasons for the following:

The transition metals generally form coloured compounds.


When a brown compound of manganese (A) is treated with \[\ce{HCl}\] it gives a gas (B). The gas taken in excess, reacts with \[\ce{NH3}\] to give an explosive compound (C). Identify compounds A, B and C.


Match the properties given in Column I with the metals given in Column II.

  Column I (Property) Column II (Metal)
(i) Element with highest second
ionisation enthalpy
(a) \[\ce{Co}\]
(ii) Element with highest
third ionisation enthalpy
(b) \[\ce{Cr}\]
(iii) \[\ce{M}\] in \[\ce{M(CO)6}\] is (c) \[\ce{Cu}\]
(iv) Element with highest heat
of atomisation
(d) \[\ce{Zn}\]
    (e) \[\ce{Ni}\]

Assertion: Separation of \[\ce{Zr}\] and \[\ce{Hf}\] is difficult.

Reason: Because \[\ce{Zr}\] and \[\ce{Hf}\] lie in the same group of the periodic table.


Account for the following: 

In case of transition elements, ions of the same charge in a given series show progressive decrease in radius with increasing atomic number.


Which of the following statements is not correct?


Account for the following:

Sc3+ is colourless whereas Ti3+ is coloured in an aqueous solution.


Account for the following:

Eu2+ with electronic configuration [Xe]4f76s2 is a strong reducing agent.


The trend of which property is represented by the following graph?


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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×