Chemistry : Alcohols, Phenols and Ethers

Which one of the following is a secondary alcohol?

• 2-methyl-1 propanol

• 2-methyl-2-propanol

• 2-butanol

• 1-butanol

The IUPAC name of an unsymmetrical ether with the molecular formula = C₄H₁₀O

• ethoxy propane

• methoxy ethane

• ethoxy ethane

• methoxy propane

Identify A and B in the following reaction-

C₂H₅Cl $\stackrel{\mathrm{A}}{\to }$ C₂H₅OH $\stackrel{\mathrm{B}}{\leftarrow }$ C₂H₅Cl

• A = aq. KOH; B = AgOH

• A = al. KOH/ $∆$; B = aq. NaOH

• A = aq. NaOH; B = AgNO₂

• A = AgNO₂; B = KNO₂

Identify A and B in the following reactions

$\mathrm{A} \underset{∆}{\overset{\mathrm{NaOH}}{\to }} {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH} \stackrel{ \mathrm{AgOH}}{\leftarrow } \mathrm{B}$

• A = C₂H₂, B = C₂H₆

• A = C₂H₅Cl, B = C₂H₄

• A = C₂H₄, B = C₂H₅Cl

• A = C₂H₅Cl, B = C₂H₅Cl

In which ofthe following reactions the product is an ether?

• C₆H₆ + CH₃COCl / anhydrous AlCl₃

• C₂H₅Cl + aq.KOH 

• C₆H₆ + C₆H₅COCl/ anhydrous AlCl₃

• C₂H₅Cl + C₂H₅ONa

'Natalite' is used as

• anaesthetic

• substitute for petrol

• insecticide

• preservative

Which of the following is added to chloroform to slowdown its aerial oxidation in presence of light?

• Carbonyl chloride

• Ethyl alcohol

• Sodium hydroxide

• Nitric acid

Which of the following compounds when heated with CO at 150°C and 500 atm pressure in presence of BF₃ forms ethyl propionate ?

• C₂H₅OH

• CH₃OCH₃

• C₂H₅OC₂H₅

• CH₃OC₂H₅

Ethyl chloride reacts with sodium ethoxide to form a compound A. Which of the following reactions also yields A ?

• C₂H₅Cl, KOH (alc.), $∆$

• 2C₂H₅OH, conc. H₂SO₄, 140°C

• C₂H₅Cl, Mg (dry ether)

• C₂H₂, dilute H₂SO₄, HgSO₄

Acetone on addition to methyl magnesium bromide forms a complex, which on decomposition with acid gives X and Mg(OH)Br. Which one of the following is X?

• CH₃OH

• (CH₃)₃OH

• (CH₃)₂CHOH

• CH₃CH₂OH