Q1. Which of the following is NOT a property of transition metal complexes?A. Formation of coordinate bondsB. Variable coordination numbersC. Colorless natureD. Paramagnetism
Q2. What is the primary reason for the high melting points of transition metals?A. Small atomic sizeB. Involvement of d-electrons in bondingC. Low ionization energyD. Presence of f-electrons
Q5. What is the reason for the higher melting points of transition metals compared to s-block metals?A. Smaller atomic sizeB. Involvement of d-electrons in bondingC. Lower ionization energyD. Presence of f-electrons
Q6. What is the shape of the Cr 2 O 7 2− ion?A. LinearB. TetrahedralC. Two tetrahedra sharing a cornerD. Octahedral
Q7. Which of the following is NOT a characteristic of transition metal complexes?A. Formation of coordinate bondsB. Variable coordination numbersC. Colorless natureD. Paramagnetism
Q8. What is the magnetic moment (in BM) of a transition metal ion with 3 unpaired electrons?A. 2.83B. 3.87C. 4.90D. 5.92
Q10. 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