Medicinal Chemistry PYQs – Set 50
Subject : Medicinal Chemistry
981. Alkylating agent acts on nitrogens of nucleic acid bases, especially ___ of guanine moiety:
Medicinal Chemistry • • NIPER 2012
982. Which of the following reactions of alkenes is not stereospecific?
Medicinal Chemistry • • NIPER 2012
983. Which of the following is a soft base?
Medicinal Chemistry • • NIPER 2012
984. Which of the following changes to morphine will cause it to become an μ-receptor antagonist?
Medicinal Chemistry • • NIPER 2012
985. Arrange the following groups in decreasing order of priority for E/Z nomenclature, with the highest priority group listed first: (P: -CH(CH₃)₂; Q: -F; R: -CH₂CH₂CH₂CH₃)
Medicinal Chemistry • • NIPER 2012
986. Ingold has classified ester hydrolysis by eight different mechanisms. The mechanism which is not observed is ––––––.
Medicinal Chemistry • • NIPER 2012
987. Cholesterol and cholestane differ in structure because ––––––.
Medicinal Chemistry • • NIPER 2012
988. A positive Hammett sigma value means that a functional group:
Medicinal Chemistry • • NIPER 2012
989. What are the requirements of a Cannizzaro Reaction? (P: Reactants should be aldehydes; Q: Reactants should not contain α-hydrogens; R: Reaction condition should be of concentrated aqueous base; S: At least one reactant should contain α-hydrogen)
Medicinal Chemistry • • NIPER 2012
990. What is the name of the plot that is used to compare the values of two specified physicochemical properties for a range of substituents?
Medicinal Chemistry • • NIPER 2012
991. Azithromycin is prepared by ___ rearrangement:
Medicinal Chemistry • • NIPER 2012
992. Tropane system is fusion of:
Medicinal Chemistry • • NIPER 2012
993. Which one is most acidic?
Medicinal Chemistry • • NIPER 2012
994. The correct order of reactivity of carboxylic acid derivatives towards nucleophilic reaction is:
Medicinal Chemistry • • NIPER 2012
995. COOH The given compound is which isomer?
Medicinal Chemistry • • NIPER 2012
996. Which of the following represents allylic carbocation?
Medicinal Chemistry • • NIPER 2012
997. In which of the following reactions, is the unit of rate constant and rate of reaction the same?
Medicinal Chemistry • • NIPER 2012
998. An organic compound is composed of C, H, and N. It shows a molecular ion at m/z = 112 amu in the mass spectrum. What is the plausible molecular formula for this compound?
Medicinal Chemistry • • NIPER 2012
999. Among the following, which is the example of green synthesis?
Medicinal Chemistry • • NIPER 2012
1000. The common name for pentane dioic acid is:
Medicinal Chemistry • • NIPER 2012
Disclaimer for MCQ Quiz
The questions in this MCQ quiz are intended solely for educational purposes. While we strive
to ensure accuracy, the information may not always be up-to-date or complete. The creators are
not liable for any errors or consequences. Verify any information before relying on it for critical decisions.
इस MCQ क्विज़ के प्रश्न केवल शैक्षिक उद्देश्यों के लिए हैं। हम सामग्री की सटीकता सुनिश्चित करने
का प्रयास करते हैं, फिर भी जानकारी हमेशा अद्यतित या पूर्ण नहीं हो सकती। निर्माता किसी भी परिणाम के
लिए जिम्मेदार नहीं हैं। कृपया किसी भी महत्वपूर्ण निर्णय से पहले स्वतंत्र रूप से जांचें।
https://www.growuppharma.in
यदि कोई गलती है या सुझाव हो तो ईमेल करें: growuppharmacy@gmail.com