Lawrie Ryan and Roger Norris Solutions for Chapter: Hydrocarbons, Exercise 1: BEFORE YOU START

Type of hybridisation in ethane molecule is:

(A) only $\mathrm{sp}$                    (B) only ${\mathrm{sp}}^2$                    (C) only ${\mathrm{sp}}^3$    

Enter your correct answer as A, B or C.

Here are three types of hybridisation of carbon atomic orbitals.

(A) only $\mathrm{sp}$                     (B) only ${\mathrm{sp}}^2$                    (C) only ${\mathrm{sp}}^3$

Which of the above do you find in the ethene molecule?

Enter your correct answer as $\mathrm{A}, \mathrm{B}$ or $\mathrm{C}$.

Here are four types of hybridisation of carbon atomic orbitals.

(A) only ${\mathrm{sp}}^2$                         (B) only ${\mathrm{sp}}^3$                          (C) ${\mathrm{sp}}^2$ and ${\mathrm{sp}}^3$

Which do you find in the propene molecule?

Enter your correct answer as A, B or C.

Give the structural formula of $2, 3-$dimethylhexane.

Give the structural formula of pent$-2-$ene.

Are alkyl groups 'electron withdrawing' or 'electron donating' to their neighbouring carbon atoms?

Which of the carbo-cation is most energetically stable?

a) Primary b) Secondary c) Tertiary

Working with a partner, discuss the difference between an electrophile and nucleophile, and what we mean by reaction mechanism?