Carbon and proton NMR

A molecule contains 6 unique hydrogen environments.

Give the number of peaks in its proton NMR spectrum.

(a)  

A molecule contains the structural feature:

...CH–CH₂...

WHICH PAIR of peaks will be seen somewhere in its ¹H NMR spectrum?

• singlet

• doublet

• triplet

• quartet

• sextet

How many carbon environments?

• 1

• 2

• 3

• 4

How many carbon environments?

• 1

• 2

• 3

• 4

The splitting pattern for the Hydrogen on the carbon at the end in high resolution ¹H NMR  for CH₃ CH₂ CH₃  

• a sextet
• a heptet
• a triplet
• isa quartet

Splitting occurs only in 

• low resolution H NMR
• high resolution H NMR
• low resolution C NMR
• high resolution C NMR

Which of the compound is taken as standard for recording chemical shift?

• Dimethylsilane

• Trimethylsilane

• Tetramethylsilane

• Methylsilane

How many different H enviroment for molecule shown?

• 2 Hydrogen environment, in (9.3) ratio
• 4 Hydrogen environment, in (3.3.3.3) ratio
• 1 Hydrogen environment, in (12) ratio
• 2 Hydrogen environment, in (3.3) ratio

Which molecule is most likely to give this spectrum?

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• 
• 
• 

Which molecule will produce the following spectra with one H environment?

• CH₃CH₂CH₃
• CH₃COOCH₃
• CH₃CH₃
• CH₃COCH₃