41.

Which of the following compound when treated with dibenzyl cadmium yields benzyl methyl ketone?

• Acetone

• Acetaldehyde

• Acetic acid

• Acetyl chloride

Which of the following amino acid is basic in nature?

• Valine

• Leucine

• Tyrosine

• Arginine

Which among the following phenolic compound is most acidic in nature?

• p-aminophenol

• Phenol

• m-nitrophenol

• p-nitrophenol

Name the catalyst used in commercial method of preparation of phenol.

• Silica

• Calcium phosphate

• Anhydrous aluminium chloride

• Cobalt naphthenate

What is the combining ratio of glycerol and fatty acid when they combine to form triglyceride?

• 3:4

• 3:2

• 1:2

• 1:3

The molecular formula of Wilkinson's catalyst used in the hydrogenation of alkenes is

• Co(CO)₈

• (Ph₃P)₃RhCl

• [Pt(NH₃)₂Cl₂]

• K[Ag(CN)₂]

The reagent used in Wolff-Kishner reduction is

• NH₂-NH₂ and KOH in ethylene glycol

• Zn-Hg / conc. HCl

• NaBH₄

• Na-Hg/H₂O

Which reagent is used in Etard reaction?

• Chromyl chloride

• Ethanoyl chloride

• SnCl₂ and HCl

• Cadmium chloride

Which of the following carboxylic acids is a tricarboxylic acid?

• Oxalic acid

• Citric acid

• Succinic acid

• Adipic acid

Primary nitroalkanes are obtained in good yield by oxidising aldoximes with the help of

• trifluoroperoxy acetic acid

• acidified potassium permanganate

• concentrated nitric acid

• potassium dichromate and dilute sulphuric acid