Introduction To Organic Chemistry

A student is comparing two scenarios involving the same flammable solvent. In Scenario X, 2 cm³ of solvent is used in a fume cupboard with no ignition sources. In Scenario Y, 200 cm³ is used in an open beaker near a Bunsen flame. Which statement correctly describes the hazard and risk?

Which of the following best defines a homologous series?

What is the correct IUPAC name for the compound CH₃CH(CH₃)CH(CH₃)CH₂CH₃?

A compound has the molecular formula C₄H₈. Which homologous series could it belong to?

Which of the following best describes the difference between homolytic and heterolytic bond fission?

A reaction has the equation: CH₂=CHCH₃ + HBr → CH₃CHBrCH₃. Which type of reaction is this?

A chemist needs to perform a reaction using a volatile, toxic liquid. Which precaution is the most appropriate hazard-specific control for this substance?

Which of the following species is correctly classified as an electrophile?

In which representation of butane are all bonds and atoms drawn explicitly?

Why is a half-headed (fish-hook) curly arrow used to represent the breaking of Cl–Cl by UV light?

A student performs a reaction in which a primary alcohol is converted into an aldehyde using [O]. Which classification and notation are correct?

Which compound contains the functional group that gives the suffix “-oic acid”?

A new pharmaceutical synthesis uses a solvent labelled with the GHS “health hazard” pictogram (silhouette with starburst). Which of the following best justifies replacing this solvent in a school laboratory context?

Consider the compound CH₃CH₂CH(Br)CH(CH₃)CH₃. What is its correct IUPAC name?

Which equation represents a polymerisation reaction?

A student claims that the H atom in HBr acts as an electrophile when HBr reacts with an alkene. Which statement best justifies this claim?

Which feature is shared by all members of the same homologous series?

In the skeletal formula of pent-2-en-1-ol, which atoms must be drawn explicitly?