31.

Bakelite is obtained from phenol by reacting with

• (CH₂OH)₂

• CH₃CHO

• CH₃COCH₃

• CH₃COCH₃

α-D-(+)-glucose and β-D-(+)-glucose are

• conformers

• epimers

• anomers

• anomers

Among the following substituted silanes the one which will give rise to cross linked silicone polymer on hydrolysis is

• R₄Si

• RSiCl₃

• R₂SiCl₂ 

• R₂SiCl₂ 

The hydrocarbon which can react with sodium in liquid ammonia is

• CH₃CH₂CH₂C≡CCH₂CH₂CH₃ 

• CH₃CH₂C≡CH

• CH₃CH=CHCH₃

• CH₃CH=CHCH₃

The treatment of CH₃MgX with CH₃C≡C−H produces

• CH₃−CH=CH₂ 

• CH₃C≡C−CH₃

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