Acids & Bases Flashcards by Joe Molloy | Brainscape

Q

Name 3 strong acids

A

HCL
H2SO4
HNO3

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Q

What’s an Arrhenius S. Acid?

A

Dissociates fully

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Q

Name a weak acid

A

CH3COOH- vinegar

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Q

Name weak bases

A

NaCO3

NH3- ammonia

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Q

What is a Bronsted- Lowry acid?

A

Proton donor

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Q

What is an Arrhenius acid?

A

Substance that dissociates in water to give H+

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Q

What is a primary soln.?

A

Pure, water soluble substance that, when dissolved, gives a soln. Where the exact conc. is known

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Q

What’s an Arrhenius W. Acid?

A

Doesn’t fully dissociate

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Q

Whats is a Brønsted-Lowry base?

A

Proton acceptor

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Q

What is a strong BL acid/ base?

A

Good proton donor/ acceptor

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Q

What is a conjugate pair?

A

An acid and base in a reaction that differ by a single H

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Q

Name strong bases

A

NaOH

Ca(OH)2

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Q

What does amphoteric mean?

A

Something that can act as an acid or a base

Eg. Water

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Q

What is a standard soln.?

A

Solution where the conc. is known precisely

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Q

What is a weak BL acid/ base?

A

Poor proton donor/ acceptor

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Q

What is an Arrhenius base?

A

Substance that dissociates in water to give OH-

Q

When is litmus used. What’s its colours?

A

Strong acid and a strong base

Acid: red
Base: blue

Q

When is methyl orange used? What’s its colours?

A

Strong acid and weak base

Acid: red
Base: yellow/orange

Q

When is phenolphthalein used? What’s its colours?

A

Weak acid and strong base

Acid: colourless
Base: pink/purple