MEDIUM
MYP:4-5
IMPORTANT
Earn 100

Ethanedioic acid (commonly known as oxalic acid) is a poisonous substance found in rhubarb leaves. It has the following structural formula:

Question Image

Suggest why ethanedioic acid is described as a dibasic acid in an aqueous solution.

Important Questions on Does Organic Chemistry Mean We Can Make Any Substance We Want?

HARD
MYP:4-5
IMPORTANT

Ethanedioic acid (commonly known as oxalic acid) is a poisonous substance found in rhubarb leaves. It has the following structural formula:

Question Image

Deduce the molecular and empirical formulas of ethanedioic acid.

HARD
MYP:4-5
IMPORTANT

Ethanedioic acid (commonly known as oxalic acid) is a poisonous substance found in rhubarb leaves. It has the following structural formula:

Question Image

Formulate an equation showing the neutralization of ethanedioic acid by barium hydroxide solution.

MEDIUM
MYP:4-5
IMPORTANT

Ethanedioic acid (commonly known as oxalic acid) is a poisonous substance found in rhubarb leaves. It has the following structural formula:

Question Image

Suggest why aluminium saucepans become shiny and clean after stewing with rhubarb leaves.

HARD
MYP:4-5
IMPORTANT

Ethanedioic acid (commonly known as oxalic acid) is a poisonous substance found in rhubarb leaves. It has the following structural formula:

Question Image

Suggest a name for the salt formed between ethanedioic acid and potassium carbonate. Formulate the equation for the reaction.