Post-UTME Chemistry 2017 Objective — Question 9

Question 9 of 20 from the Post-UTME Screening (Post-UTME) Chemistry 2017 Objective paper, with the correct answer and a full explanation.

A solution of bromine in tetrachloromethane is decolourized by

A. alkanals
B. alkenesCorrect
C. alkanones
D. alkanes

Explanation

Alkenes (which contain a C=C double bond) undergo addition reactions with bromine, decolourizing the bromine/CCl4 solution; alkanes do not react under these mild conditions.

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Chemistry 2017 Objective More Chemistry past papers