Q#05 DK024 MQA MCO

The hydrogen atom labelled x is a

• Primary hydrogen atom

• Secondary hydrogen atom

• Tertiary hydrogen atom

• Quarternary hydrogen atom

Which of the following species is not a nucleophile?

• Br₂

• NH₃

• H₂O

• CH₂=CHCH₃

Which of the following species is nucleophile?

• Cl₂

• BH₃

• H₂O

• NH₃

Which of the following species is NOT a nucleophile?

• Br₂

• CH₃⁺

• H⁺

• AlCl₃

Which of the following species is NOT an electrophile?

• Benzene

• NH₃

• OH^-

• [CH₂-CH=CH₂]⁺

Which of the following is an example of a nucleophilic substitution reaction?

• C₆H₅CH₃ + Br₂ → C₆H₅CH₂Br + HBr

• CH₃CH=CH₂ + Cl₂ → CH₃CH(Cl)CH₂Cl

• CH₃CH₂Cl + OH^- → CH₃CH₂OH + Cl^-

• C₆H₅CH₃ + CH₃Cl → C₆H₅CH₃ + HCl

Which of the following is an example of an electrophilic addition reaction?

• C₆H₅CH₃ + Br₂ → C₆H₅CH₂Br + HBr

• CH₃CH=CH₂ + Cl₂ → CH₃CH(Cl)CH₂Cl

• CH₃CH₂Cl + OH^- → CH₃CH₂OH + Cl^-

• C₆H₅CH₃ + CH₃Cl → C₆H₅CH₃ + HCl

Which of the following is an example of an electrophilic substitution reaction?

• C₆H₆ + Br₂ → C₆H₅Br + HBr

• CH₃CH=CH₂ + Cl₂ → CH₃CH(Cl)CH₂Cl

• CH₃CH₂Cl + OH^- → CH₃CH₂OH + Cl^-

• C₆H₆ + CH₃Cl → C₆H₅CH₃ + HCl

Which of the following is an example of a free radical substitution reaction?

• C₆H₅CH₃ + CH₃Cl → C₆H₅CH₃ + HCl

• CH₃CH=CH₂ + Cl₂ → CH₃CH(Cl)CH₂Cl

• CH₃CH₂Cl + OH^- → CH₃CH₂OH + Cl^-

• C₆H₅CH₃ + Cl₂ → C₆H₅CH₂Cl + HCl

Which of the following is an example of a substitution reaction?

• C₆H₆ + Br₂ → C₆H₅Br + HBr

• CH₃CH=CH₂ + Cl₂ → CH₃CH(Cl)CH₂Cl

• CH₃CH₂Cl + OH^- → CH₃CH₂OH + Cl^-

• C₆H₅CH₃ + Cl₂ → C₆H₅CH₂Cl + HCl