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Topic 18C: Organic synthesis

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Total cards: 6•Content version: v4•Public deck•Updated: 8/1/2026

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#1
Front (Question)

What are grignard reagents, and what are they used for

Back (Answer)

molecules with a general formula of RMgX (R = alkyl group, X = halogen) used to lengthen the carbon chain of molecules

#2
Front (Question)

which conditions are needed to produce Grignard reagents

Back (Answer)

• dry ether • heat under reflux

#3
Front (Question)

write the chemical equation for the reaction between 1-chloro propane and magnsium

Back (Answer)

CH3CH2CH2Cl + Mg -> CH3CH2CH2MgCl

#4
Front (Question)

Describe the reaction between a Grignard reagent and carbon dioxide

Back (Answer)

• forms a product, which is then hydrolysed used a dilute acid (H3O^+) to form a carboxylic acid and halides

#5
Front (Question)

Write the chemical equation for the reaction between the Grignard reagent CH3CH2CH2MgBr and CO2

Back (Answer)

CH3CH2CH2MgBr + CO2 -> CH3CH2CH2COOMgBr CH3CH2CH2COOMgBr + H2O -> CH2CH2CH2COOH + Mg(OH)Br

#6
Front (Question)

Write the chemical equation for the reaction between the Grignard reagent CH3CH2CH2MgBr and RCOR’

Back (Answer)

CH3CH2CH2MgBr + RCOR’ -> CH3CH2CH2C(R)(R’)OMgBr CH3CH2CH2C(R)(R’)OMgBr + H2O -> CH3CH2CH2C(R)(R’)OH + Mg(OH)Br