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Standard XII

Chemistry

Chemical Properties of Alcohol

An organic co...

Question

An organic compound A(C2H6O) reacts with sodium with evolution of hydrogen gas and gives a yellow compound B onreacting with iodine and NaOH. When heated with conc H2SO4 at 413K, it gives a compound C(C4H10 O) which on reaction with excess HI gives D. Identify A, B, C and D. Give reactions.

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Solution

A - C₂H₅OH
B - CHI₃
C - C₂H₅OC₂H₅
D - C₂H₅I
1. 2C₂H₅OH + 2Na â†’ 2C₂H₅ONa + H₂
2. C₂H₅OH + I₂ + NaOH â†’ CHI₃ + HCOO^-
3. 2C₂H₅OH + H₂SO₄ â†’ C₂H₅OC₂H₅
4. C₂H₅OC₂H₅ + HI â†’ C₂H₅I + C₂H₅OH

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An organic compound A(C2H6O) reacts with sodium with evolution of hydrogen gas and gives a yellow compound B onreacting with iodine and NaOH. When heated with conc H2SO4 at 413K, it gives a compound C(C4H10 O) which on reaction with excess HI gives D. Identify A, B, C and D. Give reactions.

A - C2H5OHB - CHI3C - C2H5OC2H5D - C2H5I1. 2C2H5OH + 2Na â†’ 2C2H5ONa + H22. C2H5OH + I2 + NaOH â†’ CHI3 + HCOO-3. 2C2H5OH + H2SO4 â†’ C2H5OC2H54. C2H5OC2H5 + HI â†’ C2H5I + C2H5OH

A - C₂H₅OH
B - CHI₃
C - C₂H₅OC₂H₅
D - C₂H₅I
1. 2C₂H₅OH + 2Na â†’ 2C₂H₅ONa + H₂
2. C₂H₅OH + I₂ + NaOH â†’ CHI₃ + HCOO^-
3. 2C₂H₅OH + H₂SO₄ â†’ C₂H₅OC₂H₅
4. C₂H₅OC₂H₅ + HI â†’ C₂H₅I + C₂H₅OH