Home Chemistry Transition metals Test Online Mcqs Preparation Chemistry Transition metals Test Online Mcqs Preparation Chemistry Transition metals Test Online Mcqs Preparation With Answers Start Below 123456789101112131415Show paginator Hide paginator 7% Question 1 of 15 1. When copper sulphate CuSO4.5H2O is heated at 140Ā°C its colour change from blue to colourless. It is due toA. All of theseB. Evaporation of water of crystallizationC. Change of primary valency of CuD. Change of number of water moleculesQuestion 1 of 15 Loading... Question 2 of 15 2. Non-stoichiometric compounds of transition elements are calledA. Binary compoundsB. HydridesC. Interstital compoundsD. HydratesQuestion 2 of 15 Loading... Question 3 of 15 3. The oxidation state of transition element is usuallyA. VariableB. SingleC. InfiniteD. ConstantQuestion 3 of 15 Loading... Question 4 of 15 4. Which one complex is more stableA. All have same stabilityB. [CuCl4]2-C. [Pt(C2O4)2]2-D. [Cu(H2O)6]2+Question 4 of 15 Loading... Question 5 of 15 5. The colour of Mn+2 isA. GreenB. VioletC. PinkD. PurpleQuestion 5 of 15 Loading... Question 6 of 15 6. The catalytic activity of transition elements is usually due to two main reasons, which areA. They have several different oxidation state and they provide a site at which reaction taken placeB. They forms compound and show coloursC. They have variable oxidation states and show coloursD. None of theseQuestion 6 of 15 Loading... Question 7 of 15 7. During the formation of complex compound the Ligands bind with central metal ion/atom byA. Covalent bondsB. Ionic bondsC. Co-ordinate covalent bondD. All of theseQuestion 7 of 15 Loading... Question 8 of 15 8. Total number of d-block elements areA. 35B. All of theseC. 37D. 40Question 8 of 15 Loading... Question 9 of 15 9. The colour of the [Ti(H2O)6]3+ isA. RedB. VioletC. OrangeD. PinkQuestion 9 of 15 Loading... Question 10 of 15 10. The colour of transitionĀ metal complexes is due to:A. Loss of s-electronsB. Paramagnetic nature of transition elementsC. IonizationD. d-d transition of electronsQuestion 10 of 15 Loading... Question 11 of 15 11. The ability of transition elements to form complexes is due to:A. All of theseB. Availability of empty d and f orbitalsC. Highly charged metal ionD. Small size of metal ionQuestion 11 of 15 Loading... Question 12 of 15 12. Which one possesses maximum number of unpaired electronA. Mn2+B. Both A and BC. Fe3+D. Cu2+Question 12 of 15 Loading... Question 13 of 15 13. Amongst the following ions, which has the highest paramagnetism:A. [Cr(H2O)6]+3B. [Fe(H2O)6]+2C. [Cr(H2O)6]+2D. [Zn(H2O)6]+2Question 13 of 15 Loading... Question 14 of 15 14. The aqueous solution containing which one of the following ions will be colourlessA. Fe+3B. Mn+2C. Sc+3D. Fe+2Question 14 of 15 Loading... Question 15 of 15 15. Which one is the oxidation state of Mn?A. +2 and +3B. All of theseC. +4 and +5D. +6 and +7Question 15 of 15 Loading... Loading... Related Study Posts:MDCAT Test Chemistry Test Online PreparationASF Written Test Preparation Online McqsOnline ECAT Test Preparation McqsFPSC SST Test Preparation Mcqs OnlinePPSC Lecturer Test Preparation Online McqsTESCO Jobs Online NTS Test Preparation McqsLecturer Test KPPSC Preparation Mcqs OnlineFIA ASI Sub Inspectors Job 2024 OTS Test Preparation…SPSC SST Test Preparation Mcqs Online with SyllabusFPSC Test Preparation Mcqs Online Subject Wise