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OMe 14. Ka) (b) O2N OH (a) a c d b (b) b c d Ans:
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Na2Cr2O7, H2SO4 OH . heat Na2Cr20n, H2S04 он CI heat CI Explanation: Oxidati on ofbenzylic carbon to carboxylic acid is done

M g, ether CO2 MgBr он Insertion of Mg metal in alkyl halide produces Grignard reagent which on further reaction with CO2 pro

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