The commercial production of methanol is done by

• the catalytic reduction of CO in presence of ZnO, Cr₂O₃

• the reaction of water vapour on CH₄ at 900°C in presence of nickel catalys

• the reaction offormaldehyde with LiAlH₄

• reaction of aqua KOH on HCHO

What is the IUPAC name of the follwoing compound?

• 3-methyl cyclo-1-butene-2-ol

• 4-methyl cyclobut-2-ene-1-ol

• 4-methyl cyclobut-1-ene-3-ol

• 2-methyl cyclo-3-butene-1-ol

183.

Methoxy methane and ethanol are

• functional isomers

• chain isomers

• optical isomers

• geometrical isomers

When phenol is distilled with Zn dust it gives

• benzaldehyde

• benzoic acid

• toluene

• benzene

The compound added to prevent chloroform to form phosgene gas (poisonous gas) is

• CH₃COOH

• CH₃OH

• CH₃COCH₃

• C₂H₅OH

The reaction C₂H₅ONa + BrC₂H₅ → C₂H₅-O-C₂H₅ + NaBr is called

• Frankland reaction

• Wurtz reaction

• Williamson's synthesis

• Cannizaro reaction

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

• ethyl iodide

• ethanol

• iodoform

• methyl iodide

Correct acidic order of the following compounds is

• i > ii> iii

• iii> i> ii

• ii> iii> i

• i> iii> ii

Identify Z in the following series

C₂H₅OH $\stackrel{{\mathrm{PBr}}_3 }{\to } \mathrm{X} \stackrel{\mathrm{alc}. \mathrm{KOH}}{\to } \mathrm{Y}\hspace{0.17em}\underset{\left(\mathrm{ii}\right) {\mathrm{H}}_2\mathrm{O}, \mathrm{Heat}}{\overset{\left(\mathrm{i}\right) {\mathrm{H}}_2{\mathrm{SO}}_4}{\to }} \mathrm{Z}$

• CH₂ = CH₂

• CH₃-CH₂OH

• CH₃-CH₂-O-CH₂-CH₃

• None of the above

The following compounds have identical molecular weight. Which would have the lowest boiling point?

• 2-butanol

• 2-methyl-1-propanol

• 1, 1-dimethyl ethanol

• 1-methoxypropane