Chem 4 Flashcards

0
Q

Mechanism between a aldehyde and a ketone and cyanide

A

Nucleophilic addition

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1
Q

Homogeneous system

A

Where all the reactants and products are in the same state

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2
Q

Reducing agent from ketone to a alcohol

A

NaBH4

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3
Q

Conditions for esterification

A

Reagents: conc sulphuric acid plus carboxylic acid and alcohol

Conditions: heat/warm

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4
Q

Reduction of esters into alcohols

A

Sodium hydroxide

Forms original alcohol and the -oate forms with the sodium

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5
Q

Advantage of using propanoyl chloride instead of prop anoxic acid in the lab for prep of methyl propanoate from methanol

A

Gives a bigger yield

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6
Q

Equation between acid and bases before equivalence point

A

CO3 + H -> HCO3

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7
Q

Equation between acid and base at equivalence

A

HCO3 + H -> H2O + CO2

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8
Q

Fingerprint region for IR spectrum

A

400-1500cm

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9
Q

Give reagents and conditions for formation of nitrobenzene from benzene. Plus mechainism

A

Conc nitric acid and conc sulphuric acid

Electrophilic substitution

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10
Q

Reagents for conversion from nitrobenzene to amino benzene

A

Sn and sulphuric acid

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11
Q

What happens to an amino acid in sodium hydroxide

A

Oxygen becomes charged

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12
Q

What happens to an amino acid in Hydrochloric acid

A

The nitrogen becomes charged

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13
Q

Reaction with methanol in the presence of small amount of concentrated sulphuric acid and amino acid

A

The alcohol adds an R group onto it

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14
Q

Amino acid reaction with ethanoyl chloride

A

The ethanoyl part attaches to the nitrogen

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