Download PTU B.Sc-Hons 2020 March 1st Sem 77223 Inorganic Chemistry I Question Paper

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B.Sc. (Honours) (Chemistry) (Sem.-1)
INORGANIC CHEMISTRY-I
Subject Code : BHCL-101-19
M.Code : 77223

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INSTRUCTIONS TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of EIGHT questions carrying TWO marks each.
2. SECTION-B contains EIGHT questions carrying FOUR marks each and students have to attempt any SIX questions.
3. SECTION-C will comprise of two compulsory questions with internal choice in both these questions. Each question carries TEN marks.

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SECTION-A

1) Answer briefly :

1. What is the significance of ?
2. What is the Pauli’s Exclusion Principle?
3. Derive the De-Broglie equation.

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4. What is the Effective nuclear charge?
5. Explain the radius ratio rule.
6. Explain the lattice ratio rules?
7. Explain the lattice energy.
8. Explain the hybridization of PCl₅

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SECTION-B

2. Explain the Slater rules.
3. Draw radial and angular distribution curves.
4. Explain the Hund’s Rule of multiplicity.
5. Explain the structure of Zinc blende.

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6. Explain the Born-Haber cycle.
7. Write a short note on high temperature semiconductors.
8. Write a note on LCAO method.
9. Explain the Schrodinger’s wave equation.

SECTION-C

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10. Explain the variation of nuclear charge in the periodic table.
    OR
    Explain the molecular orbital diagram of CO.
11. Explain the crystal structure of Perovskite.
    OR
    

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    Explain the shape of s and p orbitals.

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.