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  • An alkene ‘A’ (Molecular formula C_{5}H_{10}) on ozonolysis gives a mixture of two compounds ‘B’ and ‘C’. Compound ‘B’ gives positive Fehling’s test and also forms iodoform on treatment with I_{2} and NaOH.

An alkene ‘A’ (Molecular formula \mathrm{C}_5 \mathrm{H}_{10}) on ozonolysis gives a mixture of two compounds ‘B’ and ‘C’. Compound ‘B’ gives positive Fehling’s test and also forms iodoform on treatment with I_2 NaOH. Compound ‘C’ does not give Fehling’s test but forms iodoform. Identify the compounds A, B, and C. Write the reaction for ozonolysis and formation of iodoform from B and C.

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As compound B turns up with a positive result for Fehling’s test, it is an aldehyde. It also gives a positive result to the iodoform test, which implies that it has a -\mathrm{COCH}_3  group. Compound C with a positive iodoform test and negative Fehling’s test, is a ketone.

 

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