3.3.6.3 Infrared spectroscopy

Quiz
•
Chemistry
•
10th Grade - University
•
Hard
Standards-aligned
Stanton Wertjes
Used 41+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The infrared spectrum of an organic compound is shown.
Which compound produces this spectrum?
butanone
ethanol
pent-2-ene
propanoic acid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which compound gives this infrared spectrum?
1-bromobutane
butan-1-ol
butanal
butanoic acid
Tags
NGSS.HS-PS4-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these infrared spectra could represent a carboxylic acid?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This question is about the reaction between propanone and an excess of ethane-1,2-diol, the equation for which is given.
In a typical procedure, a mixture of 1.00 g of propanone, 5.00 g of ethane-1,2-diol and 0.100 g of benzenesulphonic acid, C6H5SO3H, is heated under reflux in an inert solvent. Benzenesulphonic acid is a strong acid.
The products would not have an absorption in the infra-red at
1050 cm−1
1720 cm−1
2950 cm−1
3400 cm−1
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which one of the following statements about but-2-enal, CH3CH=CHCHO, is not true?
It has stereoisomers.
It shows a strong absorption in the infra-red at about 1700 cm−1.
It will turn an acidified solution of potassium dichromate(VI) green.
It can be dehydrated by concentrated sulphuric acid.
Tags
NGSS.HS-PS1-2
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