You visited us 4 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

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.

Open in App

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

Suggest Corrections

Similar questions

Q. An organic compound (A) of molecular formula

C_{6} H_{6} O

gives violet colour with neutral ferric chloride. Compound (A) when heated with zinc dust gives a hydrocarbon (B). Also compound (A) reacts with phthalic anhydride and conc.

H_{2} S O_{4}

to give compound (C) of molecular formula

C_{20} H_{14} O_{4}

. Identify (A), (B) and (C). Explain the reactions.

Q. An organic compound 'A',

C_{8} H_{6}

on reacting with dil

H_{2} S O_{4}

and

H g S O_{4}

gives a compound 'B' which can also be obtained from reaction of benzene with acid chloride in the presence of anh.

A l C l_{3}

. Compound 'B' when reacted with iodine and aq. NaOH yields 'C' and a yellow compound 'D' . Identify A to D with proper justification.

An organic compound A(C₂H₆O) reacts with Na to give compound B with evolution of H₂gas. A is heated with conc H₂SO₄ at 413K to give compound C. Compound A is :

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}

A gives compound C of formula

C_{2} H_{4}

. This compound C decolourises bromine water. What are A, B, and C?

Q. a) An organic compound (A) of molecular formula

C_{2} H_{6} O

liberates hydrogen with metallic sodium. Compound (A) on heating with conc.

H_{2} S O_{4}

at 440K gives an alkene (B). Compound (B) when oxidised by baeyer's reagent gives compound (C) of molecular formula

C_{2} H_{6} O_{2}

. Identify A,B and C and explain the above reactions.
b) The metal (A) is extracted from its sulphide ore. On treatment with dilute nitric acid metal (A) gives a compound (B), which is also known as lunar caustic. (B) on heating at 723K gives (C) and

O_{2}

. Identify A,B and C and explain the reactions.

Join BYJU'S Learning Program

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