Epoxide and ether cleavage regiochemistry on drawn structures

14 questions on Epoxide and ether cleavage regiochemistry on drawn structures from the Organic Reaction Mechanisms III: Nucleophilic Substitution chapter: 2 NEET level, 6 JEE Main, 6 JEE Advanced. Each one opens with its answer and solution.

• The epoxide shown is treated with sodium methoxide in methanol, and then the mixture is worked up. Which structure is the product? NEET level, drawn structure
• The aryl alkyl ether shown is heated with excess concentrated HI. Which pair of products is obtained? NEET level, drawn structure
• The epoxide shown is treated with a catalytic amount of H2SO4 in methanol. Using the standard regiochemistry of acid-catalysed epoxide opening (the nucleophile ... JEE Main level, drawn structure
• The epoxide shown is treated with methylmagnesium bromide in ether, followed by aqueous acid work-up. Which structure is the product? JEE Main level, drawn structure
• The epoxide shown is treated with a catalytic amount of H2SO4 in methanol. Which structure is the major product? JEE Main level, drawn structure
• The epoxide shown is treated with NaN3 and NH4Cl in aqueous ethanol. Relative configuration is what matters; ignore which enantiomer is drawn. Which structure i... JEE Main level, drawn structure
• The epoxide shown is subjected to various reagents. Select all correct statements. JEE Main level, drawn structure
• The methyl ether shown is treated with one equivalent of HI at 0 degrees C. Which products are obtained? JEE Main level, drawn structure
• The aryl alkyl chlorohydrin shown is trans-configured. Treatment with one equivalent of NaOH gives an epoxide (intramolecular S_N2), and subsequent treatment wi... JEE Advanced level, drawn structure
• The meso epoxide shown is opened with sodium methoxide in methanol by clean backside S_N2 attack. Attack can occur at either epoxide carbon. Count the distinct ... JEE Advanced level, drawn structure
• The enantiopure epoxide shown is opened (i) with sodium methoxide in methanol and (ii) with a catalytic amount of H2SO4 in methanol. Assume the standard regioch... JEE Advanced level, drawn structure
• The single-enantiomer epoxide shown is reduced with LiAlH4 in ether, followed by aqueous work-up. Which product is formed? JEE Advanced level, drawn structure
• The aryl dialkyl ether shown is heated with excess concentrated HI. Select all correct statements. JEE Advanced level, drawn structure
• The epoxide shown is treated first with NaCN in aqueous ethanol and then with excess LiAlH4, followed by aqueous work-up. Which structure is the final product? JEE Advanced level, drawn structure