Chemistry : Organic Chemistry – Some Basic Principles and Techniques

Which one of the following is both nucleophilic and electrophilic?

• CH₄

• CH₃CN

• H₂O

• CH₃OH

The attacking agent in the electrophilic sulphonation of benzene is

• SO${}_4^{2-}$

• SO${}_3^{2-}$

• SO₂

• SO₃

The IUPAC name of the following compound

CH₃ - CH = CH - C ≡ CH is

• pent-2-en-4-yne

• pent-1-en-4-yne

• pent-3-en-1-yne

• pent-2-en-5-yne

Which compound is aromatic?

In qualitative analysis, NH₄Cl is added before NH₄OH

• to increase [OH^-] concentration

• for making HCl

• to decrease [OH^-] concentration

• Statment is wrong

The geometrical and optical isomers of complex [Pt(NH₃)(Br)(Cl)(Py)] respectively 

• 2, 2

• 0, 3

• 2, 1

• 3, 0

Schiff's nitrometre is filled with

• mercury

• water over mercury seal

• KOH solution over mercury seal

• toulene over mercury seal

Kjeldahl trap is

• fitted over Kjeldahl flask

• used to trap water vapours

• used to trap ammonia

• None of the above

The IUPAC name of the following compound is:

• 3-methyl cyclohexene

• 1-methyl cyclohex-2-ene

• 6-methyl cyclohexene

• 1-methyl cyclohex-5-ene

Which of the following does not exist?

I. HO₃S-S-SO₃H

II. HO-Te-OH

III. HS-S₂-SH

IV. HS-Po-OH

• Only II

• Only III

• II and IV

• I, III and IV