Alcohols, Phenols and Ethers

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

Identify A and B in the following reaction

${\mathrm{CH}}_3-{\mathrm{CH}}_{3 }\stackrel{\mathrm{B}}{\leftarrow } {\mathrm{CH}}_3\mathrm{COOH} \stackrel{\mathrm{A}}{\to } {\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}$

• A - HI + red P; B - LiAlH₄

• A - Ni/ $∆$ ; B - LiAlH₄

• A - LiAlH₄ ; B - HI + red P

• A - Pd- BaSO₄ ; B - Zn - HCl

The correct match is:

•  A-v, B-iii, C-iv, D-i

• A-i, B-ii, C-iii, D-iv

• A-iii, B-iv, C-i, D-ii

• A-iv, B-i, C-ii, D-v

The IUPAC name of the compound (CH₃)₂CH—CH=CHCHOH—CH₃ is

• 5-methyl-hex-3-en-2-ol

• 2-methyl-hex-3-en-5-ol

• 2-hydroxy-5-methyl-3-hexene

• 5-hydroxy-2-methyl-3-hexene