Free Test Chemical Bonding and M... – JEE

Q1: What type of bond is formed by the sharing of electron pairs?

A. Covalent bond B. Ionic bond C. Metallic bond D. Hydrogen bond

Q2: Which of the following has the highest electronegativity?

A. Fluorine B. Oxygen C. Chlorine D. Nitrogen

Q3: What is the bond angle in a perfect tetrahedral molecule?

A. 109.5° B. 90° C. 120° D. 180°

Q4: Which theory explains the shapes of molecules based on electron pair repulsion?

A. VSEPR theory B. Valence Bond theory C. Molecular Orbital theory D. Kinetic Molecular theory

Q5: What is the hybridization of carbon in methane (CH4)?

A. sp3 B. sp2 C. sp D. None

Q6: Which type of bond involves transfer of electrons?

A. Ionic bond B. Covalent bond C. Metallic bond D. Hydrogen bond

Q7: What is the molecular geometry of BF3?

A. Trigonal planar B. Tetrahedral C. Linear D. Bent

Q8: Which bond is the strongest?

A. Triple bond B. Double bond C. Single bond D. Hydrogen bond

Q9: What is the formal charge?

A. Charge assigned to an atom assuming equal sharing of electrons B. Actual charge on atom C. Charge on molecule D. Charge due to ionization

Q10: Which molecule shows resonance?

A. O3 B. H2O C. CH4 D. NH3

Q11: What type of bond is present in metallic elements?

A. Metallic bond B. Ionic bond C. Covalent bond D. Hydrogen bond

Q12: Which shape corresponds to sp2 hybridization?

A. Trigonal planar B. Tetrahedral C. Linear D. Octahedral

Q13: In water molecule (H2O), the bond angle is approximately:

A. 104.5° B. 90° C. 109.5° D. 120°

Q14: Which theory explains the bonding by combining atomic orbitals?

A. Molecular Orbital theory B. VSEPR theory C. Valence Bond theory D. Kinetic theory

Q15: What is the shape of ammonia (NH3)?

A. Trigonal pyramidal B. Tetrahedral C. Trigonal planar D. Bent

Q16: Which of the following is a coordinate covalent bond?

A. NH4+ B. H2O C. O2 D. N2

Q17: Which bond length is shortest?