Aldehydes and Ketones 1

Aldehydes and Ketones 1

12th Grade

10 Qs

quiz-placeholder

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Aldehydes and Ketones 1

Aldehydes and Ketones 1

Assessment

Quiz

Chemistry

12th Grade

Medium

Used 59+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
What is the name of this carbonyl compound?
pentan-2-one
hexan-5-one
pentan-3-one
hexan-2-one

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What observations would you expect to see in a positive Fehlings test for an aldehyde?
blue solution to brick-red solution
blue solid to brick-red solution
blue solution to brick-red solid
blue solid to brick-red solid

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the chemical name for Brady's reagent?
2,4-dinitrophenyhydrazone
2,4-diphenylhydrazine
2,4-dinitrophenyhydrazine
2,4-dinitrophenolhydrazine

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When performing recrystallisation to purify crystals, on what basis is the solvent selected?
the crystals have a high solubility in hot solvent but a low solubility in cold solvent
the crystals have a high solubility in cold solvent but a low solubility in 
the crystals must be highly soluble in both hot and cold solvent
it doesn't matter which solvent you use

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Potassium dichromate is an oxidising agent which can be used to completely oxidise an aldehyde. What is the correct formula of potassium dichromate
KCrO7
K2CrO7
K2Cr2O7
KCr2O7

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct formula of the reducing agent used to reduce aldehydes and ketones?
LiAlH4
LiAlH2
Li2AlH4
LiAlH

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of these compounds does not react with Brady's reagent?
propanoic acid
propanal
propanol
propanone

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