ASSESSMENT 1 PHOC 2062

C=C bond can be found in

• alkane

• alkene

• alkyne

• alcohol

C=O bonding is known as

• carbonyl

• carboxyl

• carbonate

• carbon

H-C-H bonding angle in alkyne is

• 90 degree

• 109 degree

• 180 degree

• 360 degree

The number of pi bond in the structure is

• three

• four

• five

• six

Deduce the molecular structure of the given structure

• CH₆

• C₃H₃

• C₆H₁₂

• C₂H₆

Calculate the empirical formula of the compound.

• C₆H₁₂

• C₂H₆

• CH₂

• C₃H₄

Identify the functional group of dapsone marked by X.

• Aromatic

• Amide

• Amine

• Amino

Identify the functional group in Ibuprofen marked by X.

• hydroxyl

• carbonyl

• carboxyl

• Nitrile

The number of methyl in the struture is

• two

• three

• four

• five

Identify the number of ethyl group in the structure.

• one

• two

• three

• four