Chemistry Mcqs

Which one can form complex ?

• (A)  Na
• (B)  Cr
• (C)  Li
• (D)  K

Answer

Submitted By :Ali Uppal

Aniline is a derivative of benzene which contains__________________?

• (A)  Imino group
• (B)  Amino group
• (C)  Amide group
• (D)  Nitro group

Answer

Submitted By :Ali Uppal

In benzene sulphonic acid the sulphonic group is attached with benzene ring through ___________________?

• (A)  Hydrogen
• (B)  Oxygen
• (C)  Sulphur
• (D)  OH

Answer

Submitted By :Ali Uppal

The hydrolysis of Benzenetrizonide will yield three moles of____________________?

• (A)  Glyoxime
• (B)  Benzaldehyde
• (C)  Glycol
• (D)  Glyoxal

Answer

Submitted By :Ali Uppal

What is the molecular formula of Benzenetriozonide ?

• (A)  C6H6O9
• (B)  C6H5O8
• (C)  C6H5O9
• (D)  C6H6O6

Answer

Submitted By :Ali Uppal

Which compound form benzoic acid on oxidation with acidified KMnO4 or K2Cr2O7 ?

• (A)  Toluene
• (B)  Ethyl benzene
• (C)  n-propyl benzene
• (D)  All

Answer

Submitted By :Ali Uppal

Replacement of hydrogen of benzene by alkyl group in the presence of alkyl halide & aluminum chloride is known as__________________?

• (A)  Dows process
• (B)  Friedel & Craft acylation
• (C)  Friedel & Craft alkylation
• (D)  Clemmenson reduction

Answer

Submitted By :Ali Uppal

Which one of the following statement is not correct about benzene ?

• (A)  On hydrogenation 208 KJ/mole is liberated
• (B)  C-H bond length in benzene is 1.09 A?
• (C)  Molecular mass of benzene is 78.108
• (D)  Resonance energy of benzene is 150.5 K Cal/mole

Answer

Submitted By :Ali Uppal

Which compound will readily undergo sulphonation ?

• (A)  Benzene
• (B)  Nitro benzene
• (C)  Toluene
• (D)  Chlorobenzene

Answer

Submitted By :Ali Uppal

During sulphonation of benzene H2SO4 generates the electrophile _________________?

• (A)  HSO4-
• (B)  SO2
• (C)  SO3
• (D)  H+

Answer

Submitted By :Ali Uppal