BSc Biotechnology Sem I 2022 2023 Nov 2023 BIOTECH. BASIC CHEMISTRY I Question Paper - Mumbai University | munotes

Questions asked in this paper

• 1. Attempt all questions

1. Q2 All questions carry equal marks
2. Q4 For and Q 4 attempt A and B OR C and D
3. Q1 Do as directed (Any fifteen) q Define. Octet rule 2; What is meant by Prefix and Suffix? Write IUPAC name of foliowing structures (3 to 6): What is the endpoint? 15 marks
4. Q8 is a process in which a standard reagent (titrant) is aaded to a solution of an analyte until the reaction between the analyte and reagent is judged to be complete The substance or analyte being titrated by the titrant in a titration reaction is known as
   • d. Redox reaction
5. Q12 is characterized by the weighing of the end product of analysis in which the weighing form has a known mass relationship with the substance to be estimated
6. Q13 Which form of optical isomers rotates the plane of polarized light towards the right? 14, Identify the molecule shown below chiral or achiral?
7. Q15 Define. Configuration
8. Q16 In Threose isomer the hydroxyl groups are on the side VCD/ FYBT SEMI BASICCHEMISTRY-1 HRS 75 Marks True or False, Meso-tartaric acid is optically inactive as it is a racemic mixture What is Cis isomers ?
9. Q20 racemic mixture is represented as
   • a.d b. 1 c.dl d. rm
10. Q2 A Explain the different types of chemical bonding. 8 marks
11. Q2 B Write Lewis dot symbols for atoms of the following elements: 7 marks
12. Q2 C Draw the structures for the following compounds: 8 marks
13. Q3 4-methylhexanoic acid
14. Q4 1-pentene
15. Q2 D_ Give a detailed account on Ionic Bond. 7 marks
16. Q3 A standard solutions? Explain primary and secondary standard 8 marks
17. Q3 B is an indicator? Explain its type. 7 marks
18. Q3 C What are the factors affecting Gravimetric analysis? 8 marks
19. Q3 D Write a brief note on the neutralization curve? 7 marks
20. Q4 A What is conformational analysis? Draw the various conformations of Ethane using Sawhorse and Newman Projection formula Explain Stereogenic center with suitable example. 07 Differentiate between Optical isomerism and geometric isomerism. 08 8 marks
21. Q4 D_ Explain Constitutional isomerism with any 3 types. 7 marks
22. Q5 short notes on any three of the following 15 marks
    • a. Nature of Hydrogen boriding
    • d. Precipitation

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