An organic compound A containing C, H and O has a pleasant odour with boiling point of 78°C. On boiling A with concentrated H2SO4, a colourless gas is produced which decolourises bromine water and alkaline KMnO4. The organic liquid A is

Question

An organic compound A containing C, H and O has a pleasant odour with boiling point of 78°C. On boiling A with concentrated H2SO4, a colourless gas is produced which decolourises bromine water and alkaline KMnO4. The organic liquid A is (A) C2H5Cl (B) C2H5COOCH3 (C) C2H5OH (D) C2H6

Tardigrade Admin · Accepted Answer

The organic liquid A is C2H5OH (i) Ethyl alcohol is a colourless liquid with a characteristic pleasant smell, having boiling point 78.1° C (ii) C2H5OH stackrel operatornameconc ⋅ H 2 SO 4 longrightarrow CH 2= CH 2 (which decolourises Br 2 water and alk. KMnO 4 )

Q. An organic compound $A$ containing $C$ , $H$ and $O$ has a pleasant odour with boiling point of $7 8^{°} C$ . On boiling $A$ with concentrated $H_{2} S O_{4}$ , a colourless gas is produced which decolourises bromine water and alkaline $K M n O_{4}$ . The organic liquid $A$ is

$C_{2} H_{5} Cl$

$C_{2} H_{5} COOC H_{3}$

$C_{2} H_{5} O H$

$C_{2} H_{6}$

The organic liquid $A$ is $C_{2} H_{5} O H$

(i) Ethyl alcohol is a colourless liquid with a characteristic pleasant smell, having boiling point $78. 1^{\circ} C$

(ii) $C_{2} H_{5} O H ⟶ conc \cdot H_{2} S O_{4} C H_{2} = C H_{2}$

(which decolourises $B r_{2}$ water and alk. $K M n O_{4}$ )

Q. An organic compound A containing C, H and O has a pleasant odour with boiling point of 78°C. On boiling A with concentrated H2​SO4​, a colourless gas is produced which decolourises bromine water and alkaline KMnO4​. The organic liquid A is

C2​H5​Cl

C2​H5​COOCH3​

C2​H5​OH

C2​H6​