Q.1 The elements for which the value of ionization energy is low, can:
A) Gain electrons readily C) Loss electrons less readily
B) Gains electron with difficulty D) Lose electrons readily
Q.2 The nature of cathode rays in discharge tube:
A) Depends on the nature of gas taken in the discharge tube
B) Depends upon the nature of cathode in discharge tube
C) Is independent of the nature pf the gas in discharge tube
D) Depends upon the nature of anode in the discharge tube
A) Gain electrons readily C) Loss electrons less readily
B) Gains electron with difficulty D) Lose electrons readily
Q.2 The nature of cathode rays in discharge tube:
A) Depends on the nature of gas taken in the discharge tube
B) Depends upon the nature of cathode in discharge tube
C) Is independent of the nature pf the gas in discharge tube
D) Depends upon the nature of anode in the discharge tube
Q.3 The relative energies of 4s, 4p and 3d orbitals are in the order
A) 3d < 4p <4s C) 4p < 4s < 3d
B) 4s < 3d < 4p D) 4p < 3d < 4s
Q.4 With increase in the value of Principal Quantum Number ‘n’, the shape of the s-orbitals remains
the same although their sizes
A) Decrease C) Remain the same
B) Increase D) May or may not remain the same
A) 3d < 4p <4s C) 4p < 4s < 3d
B) 4s < 3d < 4p D) 4p < 3d < 4s
Q.4 With increase in the value of Principal Quantum Number ‘n’, the shape of the s-orbitals remains
the same although their sizes
A) Decrease C) Remain the same
B) Increase D) May or may not remain the same
Q.5 Correct order of energy in the given subshells is:
A) 5s > 3d > 3p > 4s C) 3p > 3d > 5s > 4s
B) 5s > 3d > 4s > 3p D) 3p > 3d > 4s > 5s
A) 5s > 3d > 3p > 4s C) 3p > 3d > 5s > 4s
B) 5s > 3d > 4s > 3p D) 3p > 3d > 4s > 5s
Q.6 Number of electrons in the outermost shell of chloride ion (Cl―) is:
A) 17 C) 1
B) 3 D) 8
A) 17 C) 1
B) 3 D) 8