Q1. What is the shape of the Cr 2 O 7 2− ion?A. LinearB. TetrahedralC. Two tetrahedra sharing a cornerD. Octahedral
Q2. Which of the following is NOT a property of transition metals?A. Formation of colored ionsB. Catalytic activityC. Formation of intermetallic compoundsD. Paramagnetism
Q4. What happens when KMnO 4 is heated strongly?A. Forms K 2 MnO 4 and O 2B. Forms Mn 2 O 7C. No reactionD. Forms Mn metal
Q5. Which of the following lanthanoids shows +2 oxidation state due to f 14 configuration?A. CeB. EuC. YbD. Gd
Q6. Which of the following is NOT a property of transition metal complexes?A. Formation of coordinate bondsB. Variable coordination numbersC. Colorless natureD. Paramagnetism
Q7. Which of the following transition metals has the highest enthalpy of atomization?A. CrB. WC. FeD. Ni
Q8. Which of the following is NOT a characteristic of transition metal complexes?A. Formation of coordinate bondsB. Variable coordination numbersC. Colorless natureD. Paramagnetism
Q9. Which of the following statements about actinoids is INCORRECT?A. They exhibit variable oxidation statesB. They are all radioactiveC. They form colored ionsD. They are non-radioactive
Q10. Which of the following statements about interstitial compounds is correct?A. They are typically ionicB. They have low melting pointsC. Small atoms occupy metal lattice voidsD. They are poor conductors