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edexcel chem a level > reagents > Flashcards

reagents Flashcards

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1
Q

What is the term for a starting material in a chemical reaction?

A

Reactant

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2
Q

What is produced as a result of a chemical reaction?

A

Product

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3
Q

What are substances that are present at the start of a reaction called?

A

Reagents

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4
Q

What is the term for the process in which reactants transform into products?

A

Reaction

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5
Q

What is the term for a hydrocarbon containing a carbon-carbon double bond?

A

Alkene

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6
Q

What is a compound derived from an alkane in which one or more hydrogen atoms have been replaced by a halogen?

A

Haloalkane

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7
Q

Fill in the blank: The addition of X2 or HX to an alkene is called _______.

A

Electrophilic addition

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8
Q

What process involves the addition of steam and H2SO4 to an alkene?

A

Hydration

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9
Q

What is formed when an alkene undergoes hydrogenation?

A

Alkane

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10
Q

What catalyst is used in the hydrogenation of alkenes?

A

Ni

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11
Q

What type of reaction occurs when an alcohol is dehydrated using H2SO4 and heat?

A

Elimination

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12
Q

What is the general term for the substitution of a nucleophile for a leaving group in haloalkanes?

A

Nucleophilic substitution

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13
Q

What reagent is used to convert haloalkanes into alcohols via nucleophilic substitution?

A

NaOH (ag)

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14
Q

What type of reaction involves the use of halogen and UV light with alkanes?

A

Free radical substitution

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15
Q

What is the product of oxidizing a primary alcohol?

A

Aldehyde

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16
Q

Which oxidizing agent is used to convert primary alcohols to aldehydes?

A

K2Cr2O7/H2SO4

17
Q

Fill in the blank: A secondary alcohol is oxidized to a _______.

A

Ketone

18
Q

What is produced when a primary alcohol is oxidized under reflux?

A

Carboxylic acid

19
Q

What process is used to reduce an aldehyde to a primary alcohol?

A

Reduction

20
Q

What reagent is used to reduce a ketone to a secondary alcohol?

A

NaBH4/H2O

21
Q

Which type of alcohol can be oxidized to produce a ketone?

A

Secondary alcohol

edexcel chem a level (3 decks)

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