Properties of Acetic Acid (Ethanoic Acid) (Viva Voce) : Class 10 : Chemistry : Amrita Online Lab

Properties of Acetic Acid (Ethanoic Acid)

	1)	What is the functional group present in acetic acid?
		–OH –COOH –COR –CHO

	2)	What is the common name of dil. acetic acid?
		Glacial acetic acid Butanoic acid Methanoic acid Vinegar

	3)	What is the effect of acetic acid on litmus?
		Blue into red Red into blue Yellow to blue Colourless to pink

	4)	What is the IUPAC name of acetic acid?
		Methanoic acid Propanoic acid Ethanoic acid Butanoic acid

	5)	What is the pH of acetic acid?
		7 >7 14

6)

5 mL of acetic acid was added to 5 mL of water in a test tube. Which diagram correctly represents the resulting mixture?

	7)	Which one of the following is correct about acetic acid?
		It is a weak acid. It is a mineral acid. It is a strong acid. It is a dicarboxylic acid.

	8)	What is sodium bicarbonate commonly known as?
		Washing soda Baking soda Soda ash Soda lime

	9)	What is the correct strategy to measure the pH of a colourless solution in the lab?
		Use a red Litmus paper. Use a blue litmus paper. Use universal indicator. Use methyl orange.

	10)	On adding sodium bicarbonate to acetic acid, what do you immediately observe?
		Observe strong effervescence. Hear hissing sound. Smell pungent odour. Observe a white precipitate.

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