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Organic Compounds

AN ORGANIC CO...

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AN ORGANIC COMPOUND 'A 'ON TREATING WITH ACIDIFIED POTTASIUM DICHROMATE SOLUTION GIVES B WITH MOLECULAR MASS 60gm/mol . 'A' ON HEATING WITJ CONC. H2so4 at 443 K produces a gas that decolurises bromine water . the compound 'A is

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Q. Ethanol on reaction with alkaline

K M n O_{4}

gives a compound

^{'} A^{'}

while on heating with hot and conc.

H_{2} S O_{4}

it gives another compound

^{'} B^{'}

which decolourises bromine water. Compounds

^{'} A^{'}

^{'} B^{'}

respectively are

Q. The organic compound A of molecular formula

C_{2} H_{6} O

liberates hydrogen gas with sodium metal. A gives B of formula

C_{4} H_{10} O

, when it reacts with concentrated

H_{2} S O_{4}

at 413K. At 443K with concentrated

H_{2} S O_{4}

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Q. A neutral organic compound X of molecular formula C₂H₆O on oxidation with acidified potassium dichromate gives an acidic compound Y. Compound X reacts with Y on warming in the presence of conc. H₂SO₄ to give a sweet smelling substance Z. What are X, Y and Z?

An organic liquid A containing C,H and O has a pleasant odour with a boiling point of 78^o On boiling A with

conc. H₂SO₄ a colourless gas is produced which decolourises bromine water and alkaline KMnO₄ One mole of

this gas also takes one mole of H₂ The organic liquid A is [KCET 1993]

Q. An organic compound 'A' containing C, H and O has a pleasant odour with boiling point of

78^{0} C

. On boiling 'A' with concentrated

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K M n O_{4}

. The organic liquid 'A' is ?

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