41.

When calcium acetate mixed with calcium formate is distilled, which of the following is not obtained?

• Acetone

• Formaldehyde

• Acetaldehyde

• Propionaldehyde

Glucose response to silver mirror test due to the presence of

• -COOH group

• an alkaline group

• a ketonic group

• an aldehydic group

Which one of the following compounds is used to obtain polymer teflon?

• Difluoro ethane

• Monofluoro ethane

• Tetrafluoro ethene

• None of the above

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

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

In which of the following compounds, the chlorine atom is most easily substituted?

• Chlorobenzene 

• Vinyl chloride

• Allyl chloride

• p-chlorotoluene

Acetylene reacting with HCN in presence of Ba(CN)₂ gives

• vinyl cyanide

• 1,1-dicyanoethane

• 1,2-dicyanoethane

• None of the above

In dehydrolysing reaction, CH₃CONH₂ $\stackrel{{\mathrm{P}}_2{\mathrm{O}}_5}{\to }$ CH₃CN + H₂O the hybridisation state of carbon is changed from

• sp³ to sp²

• sp to sp²

• sp² to sp

• sp to sp³

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

The main compund obtained by fusion of sodium with aniline is

• NaCN

• NaN₃

• NaSCN

• NaNO₂