Which one of the following will most readily be dehydrated in acidic medium?

• CH₃—CO—CH₂—CH(OH)—CH₃

• CH₃—CHOH—CH₂—CH₂—CH₃

• CH₃—COCHOH—CH₂—CH₃

• CH₃—CO—CH₂—CH₂—CHOH—CH₃

In a Cannizzaro reaction, the intermediate that will be least hydride donor is

In the reaction, CHCl₃ + 4OH^- → HCOO^- + 3Cl^- + 2H₂O the intermediate species formed is/ are

• CCl₂

• CCl${}_3^{-}$

• Both (a) and (b)

• None of the above

When Lunar caustic reacts with acetylene gas, it yields

• Ag₂O

• AgCOOH

• Ag₂C₂

• Ag

Product P in the above reaction is

The structure of carboxylate ion is best represented as

. In the above reaction, P and Q respectively are

Benzaldehyde reacts with CH₃NH₂ forming

• Schiff's base

• Hofmann base

• Saytzeff base

• None of these

Consider the following compounds

Friedel-Crafts acylation can be used to obtain:

• II, III, IV

• I, II, IV

• I, II, III

• I, III, IV

390.

Which one of the following will be reactive for Perkin condensation ?

• 

• 

• 

• C₆H₅-CHO