Revision Organic Compound set 1

what is the common name for ethanal?

• Formaldehyde

• Benzaldehyde

• Acetaldehyde

• Acetone

Name of this compound , C₄H₁₀

• Butene

• Butane

• Butanal

• Butanone

Type of reaction that occur in alkene

• Substituition reaction

• Elimination reaction

• Addition reaction

IUPAC name for formic acid

• Methanoic acid

• Ethanoic acid

• Benzene carboxylic acid

What is the structure for tollens reagent

• [Ag(NH₃)₂]⁺

• [Ag(NH₂)₃]⁺

• [Ag(NH₃)]⁺

• [Ag(NH₃)₂]

What test is used to test the presence of c=c

• Lucas test

• Baeyer's test

• iodoform test

What is the general formula for carbonyl compound

• C_nH_2n+2O

• C_nH_2nO

• C_nH_2nO₂

• C_nH_2n

Which of the following statement is incorrect about aromatic compound

• are planar

• are cyclic

• not obey Huckel's rule

• completely conjugated

In benzene molecule , how many π electron are completely delocalised around the ring ?

• 2

• 4

• 6

• 8

A hydrocarbon compound contains only carbon and ?

• water

• hydrogen

• oxygen

• nitrogen