The reagent in Friedel-Craft's reaction is :

• pyridine

• RCOCl

• RCOOH

• HCl

Number of isomeric primary amines obtained from C₄H₁₁N are :

• 3

• 4

• 5

• 6

In which of the following reactions carbon-carbon bond formation takes place ?

• Cannizaro

• Reimer - Tiemann

• HVZ reaction

• Schmidt reaction

Which gives only mono - substituted product ?

• o - dinitrobenzene

• m - dinitrobenzene

• p - dinitrobenzene

• Nitrobenzene

45.

Order of boiling point is :

• HF > HI > HBr > HCl

• HF > HBr > HI > HCl

• HCl > HBr > HI > HF

• HCl > HI > HBr > HF

Order of hydrolysis for the following :

• RCOCl

• RCOOR

• RCONH₂

• (RCO)₂O

If the enolate ion combines with carbonyl group of ester , we get :

• aldol

• $\mathrm{\alpha }$ , $\mathrm{\beta }$ - unsaturated ester

• $\mathrm{\beta }$ - keto aldehyde

• acid

Which of the following compounds will react with NaHCO₃  solution to give sodium salt and carbon dioxide ?

• Acetic acid

• n - hexanol

• Phenol

• Both (b) and (c)

Which will give chiral molecule ?

• CH₃COCl $\stackrel{{\mathrm{LiAlH}}_4}{\to }$

• C₂H₅CHO $\underset{{\mathrm{H}}^{+}/{\mathrm{H}}_2\mathrm{O}}{\overset{{\mathrm{CH}}_3\mathrm{MgBr}}{\to }}$

• (CH₃)₂CHC₂H₅ $\stackrel{\mathrm{Cu}}{\to }$

• CH₃-CH=C(CH₃)₂ $\stackrel{{\mathrm{Cl}}_2}{\to }$

Which is not a polymer?

• Sucrose

• Enzyme

• Starch

• Teflon