Chemistry (General Concepts) MCQs with Answers

Hydrocarbons are studied in?

• A.Inorganic chemistry
• B.Analytical chemistry
• C.Physical chemistry
• D.Organic chemistry

Strength of intermolecular forces as compared to ionic or covalent bonds is _?

• A.Stronger
• B.Weaker
• C.Equal
• D.Sometimes stronger, sometimes weaker

2 moles of H₂O is equal to how many molecules?

• A.6.022 × 10²³
• B.1.806 × 10²⁴
• C.3.011 × 10²³
• D.1.204 × 10²⁴

The molecule with zero dipole moment is ?

• A.NH3
• B.H2O
• C.BF3
• D.CHCl3

Which of the following is the weakest intracellular force?

• A.Ionic bond
• B.Hydrogen bond
• C.Dipole induced dipole force
• D.Covalent bond

Molarity of a solution which is prepared by dissolving 40g sodium chloride in 500 cm³ of solution is?

• A.0.7 M
• B.2.8 M
• C.1.4 M
• D.0.35 M

In a concentrated solution, the solute-to-solvent ratio is always ?

• A.High
• B.Low
• C.Equal
• D.None of these

A saturated solution is one which ?

• A.Cannot dissolve more solute
• B.Can dissolve more solute
• C.Has no solute dissolved in it
• D.Has solute settled at the bottom

The particles in a liquid have the following movement?

• A.Move randomly with unlimited space
• B.Move randomly with limited space
• C.Vibrate about fixed positions
• D.Move freely in straight lines

In BH3 molecule H-B-H bond angle is 120°. What kind of hybridization is likely?

• A.sp
• B.dsp²
• C.sp³
• D.sp²