JEE & NEETJEE Chemistry 100+ MCQ & Answer JEE Main Chemistry | page-03 | General Knowledge MCQ And Answer February 1, 2025 DSN MARATHI 21. Geometrical isomerism is exhibited by ______. A. Butanol B. 2-Butenol C. 2-Butyne D. 2-Butene Answer Option : D 22. Which of the following will form 2 acetaldehyde molecules on ozonolysis? A. 1-butene B. 1-pentene C. 2-butene D. 2-pentene Answer Option : C 23. Identify the addition reaction which is not undergone by the alkenes? A. Halogenation B. Hydroboration C. Mercuration D. Oxymercuration Answer Option : C 24. In Alkenes the Carbon atoms are connected to each other by a ______. A. Single bond B. Double bond C. Triple bond D. Not connected Answer Option : B 25. Find the alkene with maximum stability. A. 1-Butene B. cis-2-Butene C. trans-2-Butene D. All have the same stability Answer Option : C 26. Bond energy refers to the _____. A. energy required to carry out sublimation B. energy required to make a mole of a compound C. energy required to break a mole of a compound D. none of the above Answer Option : C 27. Which bond is most polar? A. N-F B. O-F C. C-F D. P-F Answer Option : C 28. On the basis of octet rule, which bond is not present in gaseous nitrogen pentoxide molecule? A. covalent bonds B. coordinate bond C. electrovalent bond D. both electrovalent and coordinate bonds Answer Option : C 29. In O-C-O the bond angle is _____. A. 180o B. 120o C. 90o D. 60o Answer Option : A 30. What is correct about bond order? A. it always has an integral value B. it can have any value greater than zero C. it can have any value positive, integral or fraction including zero D. All the above statements are correct Answer Option : C
21. Geometrical isomerism is exhibited by ______. A. Butanol B. 2-Butenol C. 2-Butyne D. 2-Butene Answer Option : D
22. Which of the following will form 2 acetaldehyde molecules on ozonolysis? A. 1-butene B. 1-pentene C. 2-butene D. 2-pentene Answer Option : C
23. Identify the addition reaction which is not undergone by the alkenes? A. Halogenation B. Hydroboration C. Mercuration D. Oxymercuration Answer Option : C
24. In Alkenes the Carbon atoms are connected to each other by a ______. A. Single bond B. Double bond C. Triple bond D. Not connected Answer Option : B
25. Find the alkene with maximum stability. A. 1-Butene B. cis-2-Butene C. trans-2-Butene D. All have the same stability Answer Option : C
26. Bond energy refers to the _____. A. energy required to carry out sublimation B. energy required to make a mole of a compound C. energy required to break a mole of a compound D. none of the above Answer Option : C
28. On the basis of octet rule, which bond is not present in gaseous nitrogen pentoxide molecule? A. covalent bonds B. coordinate bond C. electrovalent bond D. both electrovalent and coordinate bonds Answer Option : C
30. What is correct about bond order? A. it always has an integral value B. it can have any value greater than zero C. it can have any value positive, integral or fraction including zero D. All the above statements are correct Answer Option : C
