Carbon Compound

What is the catalyst for hydration of propene ?

• vanadium (V) oxide

• phosphoric acid

• nickel or platinum

• iron powder

Which of the following pairs of general formulae and homologous series is correct?

• III

• III, IV

• I. II, III

• I, II, III and IV

This compound is produced by the reaction between

• ethanoic acid and propanol

• ethanoic acid and ethanol

• propanoic acid and ethanol

• propanoic acid and propanol

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-4

Which of the following is the formula for compound R?

• C₃H₇COOC₂H₅

• C₂H₅COOC₂H₅

• CH₃COOC₂H₄

• CH₃COOC₂H₅

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following procedures ca be used to identify compound Q?

• add nitric acid and then test with a glowing wooden splinter

• add hydrochloric acid and followed by barium chloride solution

• add excess calcium carbonate and bubble the gas through lime water

• add nitric acid and followed by silver nitrate solution

Name this

• 2-methylbutan-2-ol

• 2-methylpropan-2-ol

• 2-methylpropan-1-ol

• 2-methylbutan-1-ol

Which of the following are isomers of butene ?

• I, III

• II, IV

• I,II, III

• I, II, IV

Tags

NGSS.HS-PS1-3

What is the definition of isomerism ?

• Isomerism is a phenomenon whereby two or more atoms are found to have the same molecular formula but different structural formula

• Isomerism is a phenomenon whereby two or more molecules are found to have the same molecular formula but different structural formula

• Isomerism are molecules that have the same chemical properties and physical properties

• Isomerism are atoms that have the same chemical properties and physical properties

This is the set-up of apparatus for dehydration of propanol.

What is gas X?

• propene

• ethene

• ethanoic acid

• ethanol

Which of the following is not a property of ethanoic acid?

• smell of vinegar

• insoluble in water

• colourless liquid

• low melting