/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chapter 4 : The d-and f-Block Elements This Quiz Contains a set of 10 Questions. The Passing Cut-off is 60%. To start the Quiz, click on the Start Button. All the Best! 1 / 10 Which transition metal shows maximum oxidation state equal to its group number? Fe Mn Co Cr 2 / 10 The oxidation number of Mn in K₂MnO₄ is 4 5 6 7 3 / 10 KMnO₄ is commonly used as disinfectant reducing agent catalyst fertilizer 4 / 10 The main cause of special properties of d-block elements is high atomic mass partially filled d-orbitals large size radioactivity 5 / 10 Which d-block element is liquid near room temperature? Fe Hg Zn Cd 6 / 10 Which of the following has maximum crystal field stabilization energy? d³ d⁵ (high spin) d⁸ d¹⁰ 7 / 10 d⁰ configuration ions are coloured paramagnetic diamagnetic and colourless radioactive 8 / 10 Which of the following is paramagnetic? Fe³⁺ Zn²⁺ Cu⁺ Cd²⁺ 9 / 10 A complex is colourless because the central metal ion has empty d-orbitals fully filled d-orbitals paired electrons only f-electrons 10 / 10 Which has highest electrical conductivity? Fe Cu Ni Cr Your score is 0% Restart quiz
