Consider the following reaction,



the product,Z,is

• toluene

• benzaldehyde

• benzoic acid

• benzoic acid

42.

The segment of DNA, which acts as the instrumental manual for the synthesis of the protein is 

• nucleotide

• ribose

• gene

• gene

Trichloroacetaldehyde, CCl₃CHO reacts with chlorobenzene in presence of sulphuric acid and produces

The structure of some common polymers is given. Which one is not correctly presented?

• Teflon
  
  

• Neoprene
  
  

• Terylene
  
  

• Terylene
  
  

Predict the product,


 

H₂COH. CH₂OH on heating with periodic acid gives

• 2CO₂

• 2HCOOH

• 
• 

Which of the following hormones contain iodine?

• Insulin

• Testosterone

• Adrenaline

• Adrenaline

The straight chain polymer is formed by 

• hydrolysis of (CH₃)₃ SiCl followed by condensation polymerisation

• hydrolysis of CH₃SiCl₃ followed by condensation polymerisation

• hydrolysis of (CH₂)₂Si by the addition of the polymerization

• hydrolysis of (CH₂)₂Si by the addition of the polymerization

Consider the following reaction,



the product Z, is

• CH₂ = CH₂

• CH₃CH₂-O-CH₂-CH₃

• CH₃-CH₂-O-SO₃H

• CH₃-CH₂-O-SO₃H

Benzene reacts with CH₃Cl in the presence of anhydrous AlCl₃ to form

• toluene

• chlorobenzene

• benzylchloride

• benzylchloride