Mistakes Of Pp Flashcards
Why solid lead(II) bromide doesn’t conduct electricity?
As no free moving ions
Observation when li added to water
Gets smaller and disappear
Moves
Bubbles of hydrogen gas
Explain why potassium more reactive than lithium
As more energy levels
Less attraction between outer shell
So electron in outershell is more easily lost
Explain why increasing pressure increase Rate of reaction
As more collisions between molecules and walls per unit time,molecules closer together
Give 2 features of reaction in dynamic equilibrium
Rate of forward reaction equal rate of backward reaction
Concentration of reactants and products remain constant
Describe chemical test for carboxylic acid
Add hydrogen carbonate
Bubbles of carbon dioxide