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प्रश्न
The following electronic configuration of elements shows highest oxidation state
विकल्प
3d54s2
3d54s1
3d104s2
3d104s1
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उत्तर
3d54s2
Explanation:
The oxidation state of an element depends on the number of electrons it can lose, especially from its outermost orbitals (valence electrons).
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संबंधित प्रश्न
Name the radioactive element in lanthanoids.
Explain the trend in an Oxidation state of 3d elements.
Which of the following statements are FALSE about lanthanoids?
(I) They have lower heat of atomization than transition metals
(II) They are soft metals with silvery white colour and densities of about 7 g cm−3.
(III) They react with water to give the metal hydroxide and oxygen gas.
(IV) They form hydroxides, which are covalent and basic.
What is the general molecular formula of the product obtained on reacting lanthanoids (Ln) with nitrogen?
Which is the INCORRECT property of lanthanoids?
What is the value of effective magnetic moment found in +3 oxidation state of Chromium (Z = 24)?
The observed electronic configuration of promethium (atomic number 61) is ____________.
Which element from following forms colourless compounds in +2 oxidation state?
Identify the correct decreasing order of ionic radii of lanthanoids.
Which of the following properties is NOT of lanthanoids?
Which among the following lanthanoids has smallest atomic size?
Give the properties of Lanthanoids.
Which of the following factors may be regarded as the main cause of lanthanoid contraction?
The most basic hydroxide from the following is:
Identify the last element in lanthanoid series.
Eu (Z = 63) and Yb (Z = 70) show + 2 oxidation state. Explain.
What are the physical properties of lanthanoids?
Write two uses of lanthanoids.
Which from following is a lanthanoid element?
