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BTEC APPLIED SCIENCE UNIT 19B: CHEMISTRY

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DISTINCTION- Unit 19: Practical Chemical Analysis, LEARNING AIM B B: Investigate spectroscopic techniques to identify compounds and determine concentrations BTEC Level 3 Extended Diploma in Applied Science At Distinction grade level. With hand drawn graphs and with my OWN research (plagiarism-fr...

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  • January 25, 2023
  • 7
  • 2022/2023
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6  reviews

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By: yeatrue • 3 months ago

Freak matched

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By: yeatrue • 6 months ago

I knew u could do it

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By: owenoakes15 • 7 months ago

This doesn’t include half the stuff for the assignment. This is just the first bit. I want my money back’

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By: yeatrue • 7 months ago

I understand your frustration but I received Distinctions across all my works and have went through the check list accordingly, please double check with you teacher

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By: delviadominic2004 • 1 year ago

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Unit 19 Learning Aim B

Worksheet A – Determining organic compound types from infrared spectra
For each of the following 7 spectra (for compounds A-G), describe the key features (i.e. the presence or absence of peaks for O-H, C-H,
C=O, C=C and C-O) and match each spectrum to one of the following 7 organic compound types:

• Alkane

• Alkene
• Alcohol Compound A demonstrates an alkene from the Infrared
• Ester spectra. The first rises are C-H stretches with the highest
• Carboxylic acid wave number at approximately 2900cm-1. A median
• Aldehyde sharp double carbon bond is also visible at around 1650
• Ketone cm-1 which is followed by a =C-H bend also known as a
stretching vibration which is the only stretch that is found
COMPOUND A below 3000 cm-1.

, • Compound B compound type is ketone
COMPOUND B • C-H stretch is found around 3100 – 2900
cm-1 .
• C=O peak of stretch at 1750 cm-1 and is
only present for aliphatic ketones




COMPOUND C




2
BTEC Assignment Brief v1.0
BTEC Internal Assessment QDAM January 2015

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