Alkene identification from ozonolysis data and side-chain oxidation of alkylbenzenes

13 questions on Alkene identification from ozonolysis data and side-chain oxidation of alkylbenzenes from the Hydrocarbons chapter: 2 NEET level, 6 JEE Main, 5 JEE Advanced. Each one opens with its answer and solution.

• The compound shown is heated with hot alkaline KMnO4 and the mixture is then acidified. Which structure is the organic product? NEET level, drawn structure
• The compound shown is heated with hot alkaline KMnO4. Which outcome is correct? NEET level, drawn structure
• The compound shown is heated with hot alkaline KMnO4 and then acidified. Which structure is the product? JEE Main level, drawn structure
• The compound shown is oxidised with hot alkaline KMnO4 and then acidified. Which structure is the product? JEE Main level, drawn structure
• The compound shown has a branched side chain. It is heated with hot alkaline KMnO4 and then acidified. Which structure is the product? JEE Main level, drawn structure
• An alkene A gives only the compound shown on ozonolysis followed by Zn/H2O. Which alkene is A? JEE Main level, drawn structure
• An alkene B gives the compound shown and ethanal on ozonolysis with reductive work-up. Which alkene is B? JEE Main level, drawn structure
• The alkene shown gives a single carbonyl compound on ozonolysis with reductive work-up. Which of the alkenes in the options also give only a single carbonyl com... JEE Advanced level, drawn structure
• Reductive ozonolysis of a hydrocarbon X gives methanal and the compound shown, and nothing else. Which structure is X? JEE Advanced level, drawn structure
• The compound shown is heated with hot alkaline KMnO4 and then acidified. Which structure is the product? JEE Advanced level, drawn structure
• The compound shown is heated with excess hot alkaline KMnO4 and then acidified. How many carboxylic acid groups are present in the final organic product? Give t... JEE Advanced level, drawn structure
• The compound shown is heated with hot alkaline KMnO4 and the mixture is then acidified. Which statements are correct? JEE Advanced level, drawn structure
• An alkene A gives the compound shown as its only organic product on ozonolysis followed by H2O2. Which structure is A? JEE Main level, drawn structure