What is Z in the following sequence of reaction?

2-methyl-2-bromopropane $\underset{\mathrm{Dry} \mathrm{ether}}{\overset{\mathrm{Mg}}{\to }} \mathrm{X} \stackrel{{\mathrm{H}}_2\mathrm{O}}{\to }$ Z

• Propane

• 2-methyl propene

• 2-methyl propane

• 2-methyl butane

C₂H₅OH can be differentiated from CH₃OH by

• reaction with HCl

• reaction with NH₃

• by iodoform test

• by solubility in water

173.

The reaction between an alcohol and an acid is called

• esterification

• saponification

• hydrolysis

• hydrogenation

C₂H₅OH $\underset{\mathrm{NaOH}}{\overset{{\mathrm{I}}_2}{\to }} \mathrm{A} \underset{\mathrm{KOH}}{\overset{\mathrm{Aqueous}}{\to }}$ B

In equation given above A and B respectively are:

• CHI₃ and HCOOK

• CHI₃ and CH₃COOK

• CH₄ and HCOOK

• CHI₃ and H₂

Percentage of oxygen in phenol is

• 17.02

• 15.2

• 16

• 15

Aniline reacts with chloroform in the presence of KOH to give

• phenol

• chlorobenzene

• phenyl cyanide

• phenyl isocyanide

Which of the following is most soluble in water?

• Normal butyl alcohol

• Iso-butyl alcohol

• Tertiary butyl alcoho

• None of the above

Ethyl alcohol exhibits acidic character on reacting with

• acetic acid

• sodium metal

• hydrogen iodide

• acidic potassium dichromate

Diethyl ether on heating with conc. HI gives two moles of

• ethyl iodide

• ethanol

• Iodoform

• methyl iodide

The increasing order of acidic character of phenol, p-cresol, m-nitrophenol and p-nitrophenol is

• phenol, p-cresol, p-nitrophenol, m-nitrophenol

• p-cresol, phenol, m-nitrophenol p-nitrophenol

• p-cresol, m-nitrophenol, phenol, p-nitrophenol

• m-nitrophenol, phenol, p-cresol, p-nitrophenol