pyp cts mistakes

Question 1

how do you calculate formal charge

Answer 1

valence electrons (og) - (lone pairs - (1/2)(bonding pairs))

Question 2

when asked for a reason for molecular geometry shape

Answer 2

() bond pairs
and
() lone pairs

Question 3

if a covalent molecule is not polar, what electrostatic forces do they have

Answer 3

london / dispersion/ idid forces

Question 4

impact of () on gases
temperature
pressure

Answer 4

temp depends on equilibrium contant [product]/[reactants]

pressure prefers one with fewer moles of gas particles

Question 5

on mass spectrum fragments remember to write charge

Question 6

3 peaks on NMR = 3 ?

Answer 6

proton chemical environments

Question 7

HF + H2O –> ?
bronsted lowry acid + conjugate base

Answer 7

H3O+ + F-
bronsted lowry base + conj acid`

Question 8

In voltaic cell, anode is ___ reactive than cathode

Answer 8

More

Question 9

In voltaic cell, anode is ___ reactive than cathode

Answer 9

Reactive

Question 10

Bronsted Lowry acid has 1__ more than base

Answer 10

H