Analytical Chemistry Starter Quizziz

Which reagent is commonly used to test for the presence of carbon-carbon double bonds in a compound?

• Bromine solution

• Sodium hydroxide

• Ferric chloride

• Silver nitrate

The presence of hydroxyl groups in an alcohol can be detected using which test?

• Esterification

• Saturation

• Oxidation

• Bromine water test

Which of the following tests would be positive for a compound containing a –COOH group?

• Esterification

• Iodoform test

• Bromine water test

• Oxidation

The reaction of a compound with bromine water indicates the presence of which functional group?

• Carbon-carbon double bond

• Hydroxyl group

• Carboxyl group

• Carbon-carbon triple bond

Which technique is used to separate components based on their boiling points?

• Distillation

• Thin-layer chromatography

• Filtration

• Centrifugation

In melting point determination, a pure compound typically has a melting point range of:

• 1-2°C

• 5-10°C

• 10-15°C

• 15-20°C

Which test can be used to detect the presence of alkenes?

• Bromine water test

• Oxidation

• Iodoform test

• Esterification

Which technique is used to separate components based on their solubility in a solvent?

• Thin-layer chromatography

• Simple distillation

• Filtration

• Centrifugation

Which type of alcohols do not see a colour change with dichromate solutions

• Primary

• Secondary

• Tertiary

• Primary and Secondary

A mixture of chemicals were separated using fractional distillation. If the first fraction was collected at 98 oC then which alkane could not have been present in the mixture?

• Hexane BP 69oC

• Heptane BP 98oC

• Octane BP 126oC

• Hexane and Octane