Mistakes Of Pp Flashcards

1
Q

Why solid lead(II) bromide doesn’t conduct electricity?

A

As no free moving ions

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2
Q

Observation when li added to water

A

Gets smaller and disappear
Moves
Bubbles of hydrogen gas

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3
Q

Explain why potassium more reactive than lithium

A

As more energy levels
Less attraction between outer shell
So electron in outershell is more easily lost

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4
Q

Explain why increasing pressure increase Rate of reaction

A

As more collisions between molecules and walls per unit time,molecules closer together

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5
Q

Give 2 features of reaction in dynamic equilibrium

A

Rate of forward reaction equal rate of backward reaction
Concentration of reactants and products remain constant

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6
Q

Describe chemical test for carboxylic acid

A

Add hydrogen carbonate
Bubbles of carbon dioxide

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