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. Variable oxidation state of transition elements is due to:A. d-d transitionsB. Loss of s electronsC. Involvement of unpaired d-electrons in addition to s electrons in bond formationD. Paramagnetic natureQuestion 1 of 15 Loading... Question 2 of 15 2. The colour of the [Ti(H2O)6]3+ isA. RedB. OrangeC. PinkD. VioletQuestion 2 of 15 Loading... Question 3 of 15 3. Which of the following compound is expected to be colored:A. Ag2SO4B. MgF2C. ZnCl2D. CuF2Question 3 of 15 Loading... Question 4 of 15 4. EWhen K4[Fe(CN)6] is dissolved in a solution of salt, then it producesA. Complex ions and simple ionsB. Simple ions onlyC. Weak acid HCND. Complex ions onlyQuestion 4 of 15 Loading... Question 5 of 15 5. Anhydrous cobalt (II) chloride is blue in colour but on dissolving in water changes to pink in colour because:A. Its magnetic character changesB. Its co-ordination number changesC. Its oxidation state changesD. In water it shows fluorescenceQuestion 5 of 15 Loading... Question 6 of 15 6. Which of the following transition used as a catalyst in Haber’s processA. Cr2O3B. All of theseC. Al2O3D. FeQuestion 6 of 15 Loading... Question 7 of 15 7. Which of the following cation is paramagneticA. Cu+2B. Cu+1C. Zn+2D. Sc+1Question 7 of 15 Loading... Question 8 of 15 8. The aqueous solution containing which one of the following ions will be colourlessA. Mn+2B. Fe+3C. Fe+2D. Sc+3Question 8 of 15 Loading... Question 9 of 15 9. When light is exposed to the transition metals, the electronic transition to the higher orbitals takes place in:A. Orbitals of p-shellB. Both A and BC. Orbitals of d-subshellD. Orbitals of f-subshellQuestion 9 of 15 Loading... Question 10 of 15 10. In laboratory the decomposition of hydrogen peroxide is carried out best by using _____ catalystA. All of theseB. ChromiumC. Finally powdered MnO2 D. MnQuestion 10 of 15 Loading... Question 11 of 15 11. Zinc does not show variable valency, becauseA. It has two electrons in outermost shellB. Its d-subshell is incompleteC. Its d-subshell is completeD. It is relatively soft metalQuestion 11 of 15 Loading... Question 12 of 15 12. Colour of K2Cr2O7 is:A. OrangeB. GreenC. YellowD. RedQuestion 12 of 15 Loading... Question 13 of 15 13. Amongst the following ions, which has the highest paramagnetism:A. [Fe(H2O)6]+2B. [Zn(H2O)6]+2C. [Cr(H2O)6]+3D. [Cr(H2O)6]+2Question 13 of 15 Loading... Question 14 of 15 14. The colour of transition metal complexes is due to:A. Paramagnetic nature of transition elementsB. Loss of s-electronsC. d-d transition of electronsD. IonizationQuestion 14 of 15 Loading... Question 15 of 15 15. The composition of bronze alloy is:A. Cu + Sn + ZnB. None of theseC. Cu + SnD. Cu + ZnQuestion 15 of 15 Loading... Loading... Related Study Posts:Mdcat Test Chemistry Test Online PreparationWho is Who Test Preparation Mcqs OnlineUrdu Test Preparation Online McqsTESCO Jobs Online NTS Test Preparation McqsFIA ASI Sub Inspectors Job 2022 OTS Test Preparation Mcqs…PPSC Lecturer Test Preparation Online McqsMDCAT Test Preparation Online Related Syllabus McqsFPSC Jobs 2022 Online Test Preparation McqsASF Jobs 2022 Written Test Preparation Online McqsIB Pakistan NTS Jobs 2022 Online Test Preparation Mcqs