E2 anti-periplanar requirement on drawn ring systems

14 questions on E2 anti-periplanar requirement on drawn ring systems from the Organic Reaction Mechanisms IV: Elimination chapter: 2 NEET level, 6 JEE Main, 6 JEE Advanced. Each one opens with its answer and solution.

• The compound shown (the tert-butyl group locks the ring) is treated with a strong base such as sodium ethoxide. Compared with its diastereomer, it undergoes E2 ... NEET level, drawn structure
• The compound shown reacts only very slowly in E2 with strong bases. Which statement explains this? NEET level, drawn structure
• The compound shown is treated with a strong base. Compared with its diastereomer, its E2 elimination is JEE Main level, drawn structure
• The compound shown is heated with sodium ethoxide in ethanol (E2). Which structure is the major alkene? JEE Main level, drawn structure
• The compound shown is treated with sodium ethoxide in ethanol and reacts by E2. Which structure is the major alkene? JEE Advanced level, drawn structure
• The compound shown (a menthane skeleton) is heated with sodium ethoxide in ethanol. Which structure is the major alkene? JEE Main level, drawn structure
• The compound shown is treated with sodium ethoxide in ethanol and compared with its epimer at the carbon bearing chlorine. Which pair describes its behaviour? JEE Advanced level, drawn structure
• The compound shown and its epimer at the carbon bearing chlorine are each treated with sodium ethoxide in ethanol (E2). Select all correct statements. JEE Advanced level, drawn structure
• The single stereoisomer shown undergoes anti E2 elimination with sodium ethoxide, removing the benzylic hydrogen. Which structure is the alkene formed? JEE Main level, drawn structure
• The single stereoisomer shown undergoes anti E2 elimination with sodium ethoxide toward the benzylic carbon. What is the geometry of the 2-phenylbut-2-ene forme... JEE Advanced level, drawn structure
• The meso compound shown loses one molecule of HBr (anti E2) on treatment with a strong base. Which structure is the 1-bromo-1,2-diphenylethene formed? JEE Main level, drawn structure
• In the more stable chair conformation of the compound shown, bromine is axial. How many ring hydrogen atoms are anti-periplanar (dihedral angle 180 degrees) to ... JEE Main level, drawn structure
• The compound shown is treated with sodium ethoxide in ethanol and reacts by E2. Select all correct statements. JEE Advanced level, drawn structure
• The single stereoisomer shown is treated with sodium ethoxide in ethanol (E2). Select all correct statements. JEE Advanced level, drawn structure