Tertiary alcohols (3°) having atleast four carbon atoms upon drastic oxidation yield carboxylic acid with

• one carbon atom less

• two carbon atoms less

• three carbon atoms less

• All the above three options are correct.

572.

Ethanol,when reacted with PCl₅ gave A, POCl₃ and HCl. A reacts with silver nitrite to form B (major product) and AgCl. A and B are respectively

• C₂H₅Cl and C₂H₅OC₂H₅

• C₂H₆ and C₂H₅OC₂H₅

• C₂H₅Cl and C₂H₅NO₂

• C₂H₆ and C₂H₅NO₂

3 moles of ethanol reacts with one mole of phosphorus tribromide to form 3 moles of bromo-ethane and one mole of X. Which of the following is X?

• H₃PO₄

• H₃PO₂

• HPO₃

• H₃PO₃

Absolute alcohol (100% alcohol) is prepared by distillmg rectified spirit over

• Na

• CaCl₂

• Mg

• Mg(OC₂H₅)

Which one of the following gases is liberated when ethyl alcohol is heated with methyl magnesium iodide?

• Methane

• Ethane

• carbon dioxide

• Propane

The products formed when diethyl ether is reacted with cold HI are

• C₂H₅I + C₂H₅OH

• 2C₂H₅I + H₂O

• 2C₂H₅OH

• C₂H₅-O-O-C₂H₅ + H₂O

In the following reaction, X and Y respectively are-

C₂H₅OH $\stackrel{{\mathrm{KMnO}}_4/ {\mathrm{H}}^{+}}{\to }$ X $\underset{{\mathrm{H}}_2{\mathrm{SO}}_4/ ∆}{\overset{\mathrm{Y}}{\to }}$ CH₃COOC₂H₅

• CH₃OH, C₂H₅OH

• CH₃CHO, CH₃OH

• CH₂=CH₂, CH₃COOH

• CH₃COOH, C₂H₅OH

In the following reaction, A and B respectively are

A $\stackrel{\mathrm{HBr}}{\to }$ C₂H₅Br $\stackrel{\mathrm{B}}{\to }$ A

• C₂H₄ and alcoholic KOH/ $∆$

• C₂H₅Cl and aqueous KOH/ $∆$

• C₂H₅OH and aqueous KOH/ $∆$

• C₂H₂ and PBr₃

The reaction consitions used for converting 1, 2-dibromo ethane to ethylene are

• Zn, alcohol, $∆$

• KOH, alcohol, $∆$

• KOH, water, $∆$

• Na, alcohol, $∆$

Which one of the following is a secondary alcohol?

• 2-methyl-2-propanol

• 1-propanol

• 1-butanol

• 2-pentanol