Carboxylic acids and their derivatives quiz

Descripción

A levels Chemistry Test sobre Carboxylic acids and their derivatives quiz, creado por nicola.batty100 el 16/10/2015.
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Test por nicola.batty100, actualizado hace más de 1 año
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Creado por nicola.batty100 hace más de 8 años
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Resumen del Recurso

Pregunta 1

Pregunta
Carboxylic acids contain the [blank_start]carboxyl[blank_end] functional group
Respuesta
  • carboxyl

Pregunta 2

Pregunta
their systematic names all end with [blank_start]-oic acid[blank_end]
Respuesta
  • -oic acid

Pregunta 3

Pregunta
methanoic acid (one carbon)
Respuesta
  • HCOCH
  • HCOOH
  • HCOH

Pregunta 4

Pregunta
Porpanoiac acid
Respuesta
  • CH3CH2COOH
  • C3H8OOH
  • CH3CH2CH2OOH

Pregunta 5

Pregunta
Benzenecarboxylic (benzoic) acid
Respuesta
  • C6H5COOH
  • CH3CH2CH2CH2CH2COOH
  • C6H11COOH

Pregunta 6

Pregunta
3-methylbutanoic acid
Respuesta
  • CH3CH(CH3)CH2COOH
  • CH3CHCH3COOH
  • C5H10COOH

Pregunta 7

Pregunta
ethanedioic acid
Respuesta
  • (COOH)2
  • HOOCOOH
  • CHOOCOOH

Pregunta 8

Pregunta
being [blank_start]weak acids[blank_end], carboxylic acids [blank_start]partially[blank_end] dissociate in aqueous solution to form oxonium ions ([blank_start]H3O+[blank_end]) and carboxylate ions ([blank_start]RCOO-[blank_end])
Respuesta
  • H3O+
  • RCOO-
  • HCOO-
  • RCOO-
  • H3O+
  • HCOO-
  • weak acids
  • strong acids
  • partially
  • fully

Pregunta 9

Pregunta
What is this molecule?
Respuesta
  • Propanoic acid

Pregunta 10

Pregunta
What is this molecule?
Respuesta
  • Benzoic acid

Pregunta 11

Pregunta
What is this molecule?
Respuesta
  • 3-methylbutanoic acid

Pregunta 12

Pregunta
What is this molecule?
Respuesta
  • ethanedioic acid

Pregunta 13

Pregunta
What is this molecule?
Respuesta
  • methanoic acid

Pregunta 14

Pregunta
[blank_start]Carboxylic acids[blank_end] react with [blank_start]bases[blank_end] to produce [blank_start]salts[blank_end].
Respuesta
  • Carboxylic acids
  • Bases
  • Salts
  • bases
  • carboxylic acids
  • salts
  • salts
  • carboxylic acids
  • bases

Pregunta 15

Pregunta
[blank_start]carboxylic acids[blank_end] would react with [blank_start]carbonates[blank_end] to produce [blank_start]carbon dioxide[blank_end].
Respuesta
  • carboxylic acids
  • Alcohol
  • Ester
  • carbonates
  • Hydroxides
  • carbon dioxide
  • Water

Pregunta 16

Pregunta
[blank_start]2HCOOH[blank_end](aq) + [blank_start]Na2CO3[blank_end](aq) ==> [blank_start]2HCOO-Na+(aq)[blank_end] + CO2(g) + H2O(l).
Respuesta
  • Na2CO3
  • NaHO
  • 2HCOO-Na+
  • HCOO-Na+
  • 2HCOOH
  • HCOOH

Pregunta 17

Pregunta
Name this derivative of a carboxylic acid.
Respuesta
  • ester
  • acyl chloride
  • amide
  • acid anhydride

Pregunta 18

Pregunta
Name this derivative of a carboxylic acid.
Respuesta
  • ester
  • acyl chloride
  • amide
  • acid anhydride

Pregunta 19

Pregunta
Name this derivative of a carboxylic acid.
Respuesta
  • ester
  • acyl chloride
  • amide
  • acid anhydride

Pregunta 20

Pregunta
Name this derivative of a carboxylic acid.
Respuesta
  • ester
  • acyl chloride
  • amide
  • acid anhydride

Pregunta 21

Pregunta
In esterification reactions, [blank_start]carboxylic acids[blank_end] react with [blank_start]alcohols[blank_end] in the presence of a [blank_start]strong acid[blank_end] catalyst when heated under [blank_start]reflux[blank_end]. This is a [blank_start]reversible[blank_end] reaction.
Respuesta
  • carboxylic acids
  • alcohols
  • strong acid
  • reflux
  • reversible
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