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An organic compound 'P' is a constituent of wine. 'P' on reacting with acidified K2Cr2O7 forms another compound 'Q'.

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An organic compound 'P' is a constituent of wine. 'P' on reacting with acidified K2Cr2O7 forms another compound 'Q'. When a piece of sodium is added to 'Q' a gas 'R' evolves which burns with a pop sound. Identify P, Q and R and write the chemical equations of the reactions involve

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P-Ethanol, Q-Ethanoic acid., R-Hydrogen

CH3CH2OH+Acidified → K2Cr2O7  CH3COOH

2CH3COOH+2Na → 2CH3COONa+H2

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