Choose the correct statement about covalent compounds?
[A] The forces of interaction between them is weak
[B] They are poor conductors of electricity
[C] Both a and b
[D] None of the above

Which of the following factors affect the lattice energy of an ionic compound?
[A] Size of the ion
[B] Charge of the ion
[C] Both a and b
[D] None of the above

What is the bond formed due to the electrostatic attraction known as?
[A] Covalent bond
[B] Electrovalent bond
[C] Electromagnetic bond
[D] Polar bond

What is meant by Bond length of two bonded atoms in a molecule?
[A] equilibrium distance between their valence electrons
[B] equilibrium distance between their outermost shell
[C] equilibrium distance between their nuclei
[D] twice the distance between their valence electrons

What is the relationship between bond energy and bond length?
[A] Bond energy is independent of bond length
[B] Bond energy increases with the increase of bond length
[C] Bond energy decreases with the increase of bond length
[D] None of the above

What is the dipole moment in BF3 molecule?
[A] 0
[B] 1
[C] 1.85
[D] 6.22

Which of the following gas is liberated when a metal reacts with an acid?
[A] Oxygen
[B] Hydrogen
[C] Carbon dioxide
[D] Nitrogen

What is the S.I unit of Molar conductivity?
[A] S m³ mol^-2
[B] S m² mol^-2
[C] S m^-1 mol²
[D] S m² mol^-1

Which of the following is not a strong electrolyte?
[A] HCl
[B] KOH
[C] H₂CO₃
[D] NaOH

Which of the following represents Reduction?
[A] Losing one or more electrons
[B] Gaining one or more electrons
[C] Losing Hydrogen atoms
[D] Liberating hydrogen gas

Which of the following is / are correct statements about unsaturated carbon compounds?
1. They have either double or triple bonds between the carbon atoms
2. They are more reactive than the saturated carbon compounds
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 nor 2