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Class 12 Chemistry (Part Ii) Chapter 8 D And F Block Elements Quiz 2 (25 MCQs)

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1. Which of the following compounds is a strong oxidizing agent?
2. What are some applications of d-block elements in everyday life?
3. The magnetic moment of Mn$^{2+}$ is
4. Identify the incorrect statement among the from the following
5. The correct order of decreasing second ionisation enthalpy of Ti(22), V(23), Cr(24) Mn(25)
6. Inner transition elements are
7. Which element among the lanthanoids has the smallest atomic radius?
8. What is the name of alloy formed by inner transition elements
9. What colour is a compound that contains Fe$^{3+}$?
10. The lanthanoid contraction is responsible for the fact that
11. Most of the transition metal ions in solution as well as in solid states are coloured.
12. The most common oxidation states shown by lanthanoids is
13. Transition elements show variableoxidation state due to
14. The general electronic configuration [Rn]5f$^{1-14}$ 6d$^{0-1}$ 7s$^{2}$ is of-:
15. What is the common oxidation state of lanthanoids?
16. The transition elements are those elements which have ..... in their ground state or in any one oftheir oxidation states.
17. What is the coordination number of the complex [Ni(CO)4]?
18. Explain the significance of the d-orbitals in transition metals.
19. Transition elements forminterstitial compounds because size of C, N, O, and B is ..... to size of interstitial voids of transitionmetal
20. Which of the following is a property of interstitial compounds?
21. List three common properties of transition metals.
22. Which of the following elements is not a transition metal?
23. What is the primary reason for the high melting points of transition metals?
24. First transition series is also known as
25. WHICH OF THE FOLLOWING OXIDation state is most common for all the lanthanoids
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