Which one of the following will be most basic?

• Aniline

• p-methoxyaniline

• p-methyl aniline

• Benzylamine

Nitrobenzene can be converted into azobenzene by reduction with

• $\mathrm{Zn}, {\mathrm{NH}}_4\mathrm{Cl}, ∆$

• Zn/NaOH, CH₃OH

• Zn/NaOH

• LiAlH₄, ether

The one which is least basic is

• NH₃

• C₆H₅NH₂

• (C₆H₅)₃N

• (C₆H₅)₂NH

Which of the following converts CH₃CONH₂ to CH₃NH₂?

• NaBr

• NaOBr

• Br₂

• None of the above

The reaction, ROH + H₂CN₂ in the presence of HBF₄, gives the following product

• ROCH₃

• RCH₂OH

• ROHCN₂N₂

• RCH₂CH₃

In Gattermann reaction, a diazonium group is replaced by X using Y.X and Y are

• X	Y
  ${\mathrm{Cl}}^{⊝}$	Cu/HCl

• X	Y
  ${\mathrm{Cl}}^{\oplus }$	CuCl2/HCl

• X	Y
  ${\mathrm{Cl}}^{⊝}$	CuCl2/HCl

• X	Y
  Cl2	Cu2O/HCl

How many tripeptides can be prepared by linking the amino acids glycine, alanine and phenyl alanine?

• One

• Three

• Six

• Twelve

48.

Consider the following reaction,

${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{HCl} + \mathrm{AgCN} \stackrel{\mathrm{EtOH}/{\mathrm{H}}_2\mathrm{O}}{\to } \mathrm{X} \left(\mathrm{major}\right)$

Which one of the following statements is true for X ?

(I) It gives propionic acid on hydrolysis
(II) It has an ester functional group
(III) It has a nitrogen linked to ethyl carbon
(IV) It has a cyanide group

• IV

• III

• II

• I

When acetamide is hydrolysed by boiling with acid, the product obtained is

• acetic acid

• ethyl amine

• ethanol

• acetamide

Which will not go for diazotisation?

• C₆H₅NH₂

• C₆H₅CH₂NH₂

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