Haloalkanes

Question 1

Bond enthalpy

Answer 1

energy required to break one mole of gaseous bonds

Question 2

CFC

Answer 2

class of compound made from carbon, fluorine and chlorine ONLY - they can be broken down by UV in the upper atmosphere, forming chlorine radicals which catalyse the breakdown of ozone

Question 3

Haloalkane

Answer 3

an organic compound containing a halogen atom bound to an alkyl chain

Question 4

hydrolysis

Answer 4

a reaction where water or aqueous hydroxide ions breaks a compound into two compounds

Question 5

nucleophile

Answer 5

an atom or group of atoms which donates a pair of electrons to form a new covalent bond (electron pair donor)

Question 6

nucleophillic substitution

Answer 6

reaction in which an electron pair donor (nucleophile) attacks an electrophillic atom (atom with a full or partial positive charge) to replace an atom or group of atoms