WM Kerboodle Test (MCQ's) Flashcards

1
Q

What can be oxidised by acid dichromate(VI)?

  • CH3CHO
  • CH3​COCH3
  • CH3​OCH3
  • (CH3​CO)2O
A
  • CH3CHO
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2
Q

What will give an acidic reaction with water?

A
  • B
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3
Q

The compound shown below is heated with acidified dichromate(VI).

Which statement about the compound is correct?

  • It is oxidised to a ketone
  • It is oxidised to an aldehyde
  • It does not react
  • It is oxidised to an acid
A
  • C
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4
Q
A
  • B
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5
Q

What is the final stage in the purification of an organic liquid?

  • refluxing
  • distillation
  • suction filtration
  • shaking with Na2CO3 solution in a separating funnel
A
  • distillation
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6
Q

‘Green chemistry’ involves lowering various factors for a reaction. What is not a factor that should be lowered?

  • number of waste products
  • atom economy
  • number of steps
  • risk factors
A
  • atom economy
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7
Q

What is classified as a carbonyl compound?

  • CH3COOH
  • CH3OCH3
  • C2H5OH
  • CH3CHO
A
  • CH3CHO
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8
Q

Which reaction would result in the formation of an ester?

A
  • B
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9
Q

What would be a useful technique for purifying a solid product?

  • recrystallisation
  • TLC
  • melting point determination
  • distillation
A
  • recrystallisation
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10
Q

What would reveal the nature of the functional groups in a compound?

  • The M+ peak in its mass spectrum
  • Its melting point
  • Its infrared spectrum
  • The results of thin-layer chromatography
A
  • Its infrared spectrum
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