FEDERAL PUBLIC SERVICE COMMISSION

COMPETITIVE EXAMINATION-2017 FOR RECRUITMENT TO POSTS IN BS-17
UNDER THE FEDERAL GOVERNMENT

CHEMISTRY, Paper-2

TIME ALLOWED: THREE HOURS
PART-I(MCQS): MAXIMUM 30 MINUTES
PART-I (MCQS) MAXIMUM MARKS = 20
PART-II MAXIMUM MARKS = 80

NOTE:

• (i) Part-II is to be attempted on the separate Answer Book.
• (ii) Attempt ONLY FOUR questions from PART-II. ALL questions carry EQUAL marks.
• (iii) All the parts (if any) of each Question must be attempted at one place instead of at different places.
• (iv) Candidate must write Q. No. in the Answer Book in accordance with Q. No. in the Q.Paper.
• (v) No Page/Space be left blank between the answers. All the blank pages of Answer Book must be crossed.
• (vi) Extra attempt of any question or any part of the attempted question will not be considered.

PART-II

Q.No. 2. Write brief notes on the following (2 each) (20)

• i) Covalent Bond Gi)
• Hybridization
• (ili) Isomerism
• (iv) Monosaccharides
• (v) Triglycerides
• (vi) Electronegativity
• (vii) The Inductive Effect
• (viii) Chemical Shift
• (ix) Stereoselectivity
• (x) Fertilizers

Q. No.3. (a) Give the method of synthesis of the following compounds from an appropriate alkene of your choice with reagents. (12)

Question No 3, Chemistry Paper-2, CSS 2017

Question No 4, Chemistry Paper-2, CSS 2017

Question No 5, Chemistry Paper-2, CSS 2017

Question No 6, Chemistry Paper-2, CSS 2017

Question No 7, Chemistry Paper-2, CSS 2017

Q. No. 8. Write notes on any FOUR of the following: (5 each) (20)

• (a) Reactions of Monosaccharides
• (b) Biosynthesis of Cholesterol
• (c) Primary structure of Polypeptides and Protein.
• (d) Prostaglandins
• (e) Synthesis of Peptides

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