1. The region of electromagnetic spectrum for nuclear magnetic resonance is: a) Microwave b) UV-rays c) Infrared Radio frequency 2. The wave numbers of the radiations with a wavelength equal 2.3 x 105 cm is (c = 3*108 m/s): a) 0.43 x105 b) 1.3 x 1013 c) 43.0 x 107 d) 1.3 x 10³ 3. In an infrared (IR) spectrum, which of the following functional groups has the highest frequency? a) Ketone b) Aldehyde Ester d) Alcohol 4. which of the following causes the vibration of atoms? a) The number of protons contained in a nucleus. c) The molecule's total molecular weight. 5. Which of the following C-H bands has the highest energy vibration? a) A CH4 LOH b) B CH3CH3 a h 6. Which of these molecules has corresponds to the IR spectrum of C6H120? 0.8 0.6 b) Electron movement to higher energy levels. d) Dipole moments between atoms. 0.4 0.2 C H H H H 3000 CH,,O DHH 2000 Wavenumber (cm-1) 1000
1. The region of electromagnetic spectrum for nuclear magnetic resonance is: a) Microwave b) UV-rays c) Infrared Radio frequency 2. The wave numbers of the radiations with a wavelength equal 2.3 x 105 cm is (c = 3*108 m/s): a) 0.43 x105 b) 1.3 x 1013 c) 43.0 x 107 d) 1.3 x 10³ 3. In an infrared (IR) spectrum, which of the following functional groups has the highest frequency? a) Ketone b) Aldehyde Ester d) Alcohol 4. which of the following causes the vibration of atoms? a) The number of protons contained in a nucleus. c) The molecule's total molecular weight. 5. Which of the following C-H bands has the highest energy vibration? a) A CH4 LOH b) B CH3CH3 a h 6. Which of these molecules has corresponds to the IR spectrum of C6H120? 0.8 0.6 b) Electron movement to higher energy levels. d) Dipole moments between atoms. 0.4 0.2 C H H H H 3000 CH,,O DHH 2000 Wavenumber (cm-1) 1000
1. The region of electromagnetic spectrum for nuclear magnetic resonance is: a) Microwave b) UV-rays c) Infrared Radio frequency 2. The wave numbers of the radiations with a wavelength equal 2.3 x 105 cm is (c = 3*108 m/s): a) 0.43 x105 b) 1.3 x 1013 c) 43.0 x 107 d) 1.3 x 10³ 3. In an infrared (IR) spectrum, which of the following functional groups has the highest frequency? a) Ketone b) Aldehyde Ester d) Alcohol 4. which of the following causes the vibration of atoms? a) The number of protons contained in a nucleus. c) The molecule's total molecular weight. 5. Which of the following C-H bands has the highest energy vibration? a) A CH4 LOH b) B CH3CH3 a h 6. Which of these molecules has corresponds to the IR spectrum of C6H120? 0.8 0.6 b) Electron movement to higher energy levels. d) Dipole moments between atoms. 0.4 0.2 C H H H H 3000 CH,,O DHH 2000 Wavenumber (cm-1) 1000
Transcribed Image Text:1. The region of electromagnetic spectrum for nuclear magnetic resonance is:
a) Microwave
b) UV-rays
c) Infrared
Radio frequency
2. The wave numbers of the radiations with a wavelength equal 2.3 x 105 cm is (c = 3*108 m/s):
a) 0.43 x105
b) 1.3 x 1013
c) 43.0 x 107
d) 1.3 x 10³
3. In an infrared (IR) spectrum, which of the following functional groups has the highest frequency?
a) Ketone
b) Aldehyde
Ester
d) Alcohol
4. which of the following causes the vibration of atoms?
a) The number of protons contained in a nucleus.
c) The molecule's total molecular weight.
5. Which of the following C-H bands has the highest energy vibration?
a)
A CH4
LOH
b)
B CH3CH3
a h
6. Which of these molecules has corresponds to the IR spectrum of C6H120?
0.8
0.6
b) Electron movement to higher energy levels.
d) Dipole moments between atoms.
0.4
0.2
C
H
H
H H
3000
CH,,O
DHH
2000
Wavenumber (cm-1)
1000
Branch of chemistry concerned with the study of carbon-based compounds, also known as organic compounds. These compounds form due to carbon's notable potential in forming chemical bonds. Due to the abundance of organic compounds on Earth, organic chemistry is crucial in other scientific disciplines, including materials science and pharmaceutical science.
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