ABC Chemistry – Best Chemistry Coaching in Dwarka, Delhi

🔥 ALL COURSES SPECIAL OFFER 2026 CSIR NET • GATE • IIT-JAM • CUET PG 📞 92121-49491 Apply Now 🔥 ALL COURSES SPECIAL OFFER 2026 CSIR NET • GATE • IIT-JAM • CUET PG 📞 92121-49491 Apply Now 🔥 ALL COURSES SPECIAL OFFER 2026 CSIR NET • GATE • IIT-JAM • CUET PG 📞 92121-49491 Apply Now

Q&A

Question 1 The two compounds given below are: (a) Enantiomers (b) Identical (c) Diastereomers (d) Regioisomers Submit Correct Answer: (b) Identical Explanation: A 180° rotation about the carbonyl carbon–carbon bond converts one structure into the other. Since the two structures are interconvertible by simple rotation and no bond breaking is required, they represent the same molecule and are therefore identical, not enantiomers or diastereomers. Correct Answer: (a) 1R,4R Explanation: The substituents at each chiral centre are numbered according to the CIP priority rules. The atom with the highest atomic number is assigned the highest priority. After orienting the lowest priority…

Read More