The peptide that gives positive ceric ammonium nitrate and carbylamine tests is :

  • Option 1)

    Ser-Lys

  • Option 2)

    Gln-Asp

  • Option 3)

    Lys-Asp

  • Option 4)

    Asp-Gln

Answers (1)

 

Test for Alcohol -

Alcohol + Ceric Ammonium Nitrate  \rightarrow Red Solution 

- wherein

Alcohol is Present

 

 

carbylamnie Reaction -

Product is isocyanide & this reaction is used for the detection of primary amines.

- wherein

RNH_{2}+CHCl_{3}+3KOH\rightarrow R-NC+3KCl+3H_{2}O

                                                                                    an \:isocyanide\:(foul \:smelling)

 

 

 

 

 

positive ceric ammonium nitrate   \rightarrow-OH     gives 

positive carbylamine tests            \rightarrow-NH_{2}   give

(1)  Ser-Lys ( Lysine + serine )

 

Both present so it will give positive tests for both tests.


Option 1)

Ser-Lys

Option 2)

Gln-Asp

Option 3)

Lys-Asp

Option 4)

Asp-Gln

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