Practice Pakistan's most useful MCQs for competitive exams

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

An atom loses or gains electrons to__________________?

• (A)  Gain stability
• (B)  Form a bond
• (C)  Complete its outermost shell
• (D)  all are accurate justifications

Answer

Submitted By :Ali Uppal

nergy of atom in compound is___________________?

• (A)  Higher than individual
• (B)  Lesser than individual
• (C)  No change
• (D)  Impossible to predict

Answer

Submitted By :Ali Uppal

Which of the following have their outer most shell complete in atomic form ?

• (A)  Noble gases
• (B)  Alkali metals
• (C)  Coinage metals
• (D)  Gun metals

Answer

Submitted By :Ali Uppal

Which one shows high %age of the ionic character ?

• (A)  H2O
• (B)  HF
• (C)  HCI
• (D)  HBr

Answer

Submitted By :Ali Uppal