Chemistry Mcqs

Unit of dipole moment is_________________?

• (A)  Debye
• (B)  Poise
• (C)  Pascal
• (D)  Newton

Answer

Submitted By :Ali Uppal

Bond order for N2 molecule is __________________?

• (A)  2
• (B)  1
• (C)  3
• (D)  4

Answer

Submitted By :Ali Uppal

Molecular orbital which have higher energy than atomic orbitals is called___________________?

• (A)  Bonding molecular orbital
• (B)  Antibonding molecular orbital
• (C)  Hybrid orbital
• (D)  Super atomic orbital

Answer

Submitted By :Ali Uppal

Pi bonds are produced by overlapping of__________________?

• (A)  Un-hybrid orbitals
• (B)  Hybrid orbitals
• (C)  Hybrid and un hybrid orbitals
• (D)  atomic orbital and hybrid orbital

Answer

Submitted By :Ali Uppal

Geometry of simple molecule having sp3 hybrid orbital is ___________________?

• (A)  Triangular
• (B)  Tetrahedral
• (C)  Square planner
• (D)  Linear

Answer

Submitted By :Ali Uppal

By combining n atmic orbitals no. of hybrid orbitals will be__________________?

• (A)  2n
• (B)  n
• (C)  3n
• (D)  impossible to predict

Answer

Submitted By :Ali Uppal

The geometry of ammonia is___________________?

• (A)  Tetrahedral
• (B)  Square planner
• (C)  Trigonal bipyramidal
• (D)  Trigonal Pyramidal

Answer

Submitted By :Ali Uppal

Elements having high I.P values are____________________?

• (A)  Metals
• (B)  Non metals
• (C)  Liquids
• (D)  Solids

Answer

Submitted By :Ali Uppal

Ionization energy in a period generally ___________________?

• (A)  Increases
• (B)  Decreases
• (C)  No change
• (D)  Variable trend

Answer

Submitted By :Ali Uppal

In a group ionic radius ?

• (A)  Increases
• (B)  Decreases
• (C)  No change
• (D)  Variable trend

Answer

Submitted By :Ali Uppal