Jones vs PCC and hydrolysis of drawn esters, amides, nitriles

13 questions on Jones vs PCC and hydrolysis of drawn esters, amides, nitriles from the Reduction, Oxidation and Hydrolysis in Organic Chemistry chapter: 2 NEET level, 6 JEE Main, 5 JEE Advanced. Each one opens with its answer and solution.

• The compound shown is treated with PCC in CH2Cl2. Which structure is the product? NEET level, drawn structure
• The compound shown is treated with Jones reagent (CrO3, dilute H2SO4, acetone). Which structure is the product? NEET level, drawn structure
• The compound shown is treated with excess Jones reagent. Which structure is the organic product? JEE Main level, drawn structure
• The compound shown is treated separately with PCC, with Jones reagent and with NaBH4. What is the result? JEE Main level, drawn structure
• The allylic alcohol shown is treated with PCC in CH2Cl2. Which structure is the product? JEE Main level, drawn structure
• The compound shown is heated with aqueous NaOH (excess), then acidified with H3O+. Select ALL correct statements. JEE Advanced level, drawn structure
• The compound shown is refluxed with dilute aqueous H2SO4 for several hours. Which structure is the organic product? JEE Main level, drawn structure
• The compound shown is boiled with aqueous HCl. What are the main products? JEE Main level, drawn structure
• The diol shown is oxidised with Jones reagent (excess) in one experiment and with PCC (excess) in another. Select ALL correct statements. JEE Advanced level, drawn structure
• The ester shown is heated with aqueous NaOH and then acidified. Which structure is the chiral alcohol obtained? JEE Advanced level, drawn structure
• The compound shown is heated with excess aqueous NaOH and the cooled mixture is then acidified with H3O+. Which structure is the main organic product? JEE Advanced level, drawn structure
• The alcohol shown is oxidised with PCC or with Jones reagent, and the product is then treated with NaBH4 and CeCl3 in methanol. Select ALL correct statements. JEE Advanced level, drawn structure
• The compound shown is treated with PCC in CH2Cl2. Which structure is the product? JEE Main level, drawn structure