Advertisements
Advertisements
Question
A transition element X has an electronic configuration [Ar]4s23d3. Predict its likely oxidation states.
Advertisements
Solution
Electronic configuration of X = [Ar]4s23d3
Vanadium, a transition element, is the one that has been provided. The variable oxidation states + 2, + 3, + 4 and + 5 will be displayed.
APPEARS IN
RELATED QUESTIONS
Complete the following chemical equations:
`(i) Cr_2O_7^(2-)+6Fe^(2+)+14H^+ ->`
`(ii) 2CrO_4^(2-)+2H^+ ->`
`(iii) 2MnO_4^-+5C_2O_4^(2-)+16H^+ ->`
ln which pair highest oxidation states of transition metals are found:
Give reasons:
Transition metals show variable oxidation states.
How would you account for the following?
Transition metals and their compounds act as catalysts.
How is potassium dichromate prepared from chrome iron ore?
Why first ionisation enthalpy of Cr is lower than that of Zn?
A metallic ion 'M' reacts with chloride ion to form white precipitate which is readily soluble in aqueous ammonia. Identify 'M'?
Which one of the following characters tie of the transition metal is associated with higher catalytic activity?
Describe the oxidising action of potassium dichromate and write the ionic equation for its reaction with iron (II) solution.
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:
Oxidation states
