Q. 4
(A) Explain the term Quantum number. Give a brief account of the four quantum numbers. (B) Discuss Valence Bond Theory of bonding in H2 molecule. Point out his main limitations.
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SPSC · CCE Sindh 2021
Chemistry
This paper
Chemistry · all yearsQ. 4 · (A) Explain the term Quantum…Q. 5 · (A) Derive Schrödinger wave equation…Q. 7 · (A) Discuss the Raw material…Q. 8 · (A) Write down the reaction…With this paperOfficial PDF1 pp← 20193 hours · questions hide until you reveal them
Q. 5
(A) Derive Schrödinger wave equation for the wave mechanical model of an atom. (B) What is Einstein Theory of Photoelectric effect? What conclusion can be drawn from this theory? (C) Derive de-Broglie's equation for the dual nature of matter. Apply this equation for microscopic and macroscopic properties of substances.
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Q. 7
(A) Discuss the Raw material used for the production of Glass Industry. (B) Discuss the manufacturing of soap by continuous process with the help of flow sheet diagram.
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Q. 8
(A) Write down the reaction and mechanism of Friedel-Craft alkylation and acylation of benzene. (B) Define Aromaticity. What is Huckle rule? Explain with examples?
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About this paper
The 2021 CCE Sindh Chemistry paper set by the Sindh Public Service Commission. Question wording only; questions marked “Not yet checked” have not been compared with the official paper yet. Open the official paper beside the questions to check any of them.
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