Chemistry : Organic Chemistry – Some Basic Principles and Techniques

Considering the state of hybridization of carbon atoms, find out the molecule among the following which is linear.

• CH₃ - C ≡ C - CH₃

• CH₂ = CH - CH₂ - C ≡ CH

• CH₃ - CH₂ - CH₂ - CH₃

• CH₃ - CH₂ - CH₂ - CH₃

The Lassaigne's extract is boiled with conc HNO₃ while testing for halogens. By doing so it

• helps in the precipitation of AgCl

• increases the solubility product of AgCl

• increases the concentration of NO₃^- ions

• increases the concentration of NO₃^- ions

The correct IUPAC name of the compound of 

• 3 - ethyl - 4 ethenyl heptane

• 3 - ethyl - 4 - propylhex- 5-ene

• 3-(1-ethyl propyl) hex - 1 ene

• 3-(1-ethyl propyl) hex - 1 ene

Which one of the following is most reactive towards electrophilic reagents?

Which of the following statement is correct for a nucleophile? 

• Nucleophile is s Lewis acid

• Ammonia is a nucleophile

• Nucleophiles attack low electrons density sites

• Nucleophiles attack low electrons density sites

The number of structural isomers possible from the molecular formula C₃H₉N is 

• 4

• 5

• 2

• 2

Two possible stereo-structures of CH₃CHOH.COOH, which are optically active, are called

• diastereomers

• atropisomers

• enantiomers

• enantiomers

Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by

• oxidation

• cracking

• distillation under reduced pressure

• distillation under reduced pressure

In the following the most stable conformation of n-butane is

Which of the following species is not electrophilic in nature? 

• Cl⁺

• BH₃

• H₃O⁺

• H₃O⁺