III B.Sc ICA-II Quiz 21st Mar 2023

In NMR spectrum, Methyl protons will show the peak in.................

• Up field region

• down field region

• No peak

The chemical shift value for TMS is.............

• 1

• 1.5

• 3

• 0

In CH3-CH2 group, the CH2 Proton will give a...........

• triplet

• doublet

• Quartet

• Singlet

Aromatic protons will have the chemical shift values approximately..........

• 1 to 2

• 2 to 3

• around 7

• 4-5

In NMR,How many signals are observed for Ethanol ?

• 2

• 3

• 4

• 5

In IR spectroscopy, the C=O stretching can be obtained in the range of.........

• 1200 Cm-1

• 1700 cm-1

• 1200cm-1

• 700cm-1

What is the finger print region in IR spectrum ?

• Below 1500 cm-1

• above 1500cm-1

• above 2000 cm-1

• above 3000cm-1

How many signals are observed for the NMR spectrum of cyclopropane ?

• 4

• 3

• 2

• 1

How will you differentiate Cis and trans isomers in IR spectrum ?

• Through finger print region below 1000 cm-1

• Through finger print region above 1000 cm-1

• around 2000 cm-1

In MRI scans, the same method is used like NMR. Is it true or false ?

• false

• True