Which of the following give positive fehling`s test? Please also give the reason

Last Activity: 6 Years ago
Dear Student,
In option 4 ring can be opened to give an aldehyde which will give the positive Fehling’s test.
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Last Activity: 2 Years ago
Last Activity: 2 Years ago
Last Activity: 2 Years ago
Last Activity: 2 Years ago
Last Activity: 2 Years ago