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Posted Date: 15 Jun 2009 Posted By: Mahesh Member Level: Platinum
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2009 North Maharashtra University B.Sc Physics D Block elements Question paper
S.Y.B.Sc.
Question Bank
D Block elements
2 Marks
1. What are transition elements?
2. What are d-block elements?
3. Write the elements of three transition series.
4. List the characterastic properties of d-block elements
5. Give the electronic configurations of third series of elements.
6. What is ionization energy?
21
7. Why are Zn, Cd, Hg, and La not included in d-block elements?
8. State the factors reducing reactivity of d-block elements
9. Define diamagnetic substance.
10. Define Ferromagnetic substance.
11. State two factors responsible for tendency of cations of transition metals to
form complexes.
3 Marks
1. What are antiferromagnetic substances?
2. State electronic contiguration of three series of transition elements.
3. Give three reasons showing reducing property of d-block elements.
4. Explain anomalous configurations of Cr ,Cu and Pt.
5. What are paramagnetic substances? Give examples.
4 Marks
1. How are d-block elements divided in the various series?
2. State the factors which reduce the reactivity of d-block elements.
3. Write four metallic properties of d –block elements.
4. Explain Fe, Co, and Ni are ferromagnetic
5. Explain transition metals do not displace hydrogen from acid solutions.
6. What are paramagnetic substances? Give examples.
7. Write oxidation states and outer electronic contiguration of Sc, T1 , V Cr.
8. Write a note on diamagnetic substance.
6 Marks
1. Explain transition metal compounds are coloured.
2. Explain transition metals exhibit variable Valency
3. Discuss ionization energies of d-block elements.
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