• 072920 77839
  • info@smartachievers.in
Menu
Back
  • JEE ADVANCE
  • JEE MAIN
  • NEET
  • BITSAT
  • CBSE BOARD
  • UP BOARD
JEE ADVANCE
  • CLASS XI - XII
JEE MAIN
  • CLASS XI - XII
NEET
  • CLASS XI - XII
BITSAT
  • CLASS XI - XII
CBSE BOARD
  • CLASS IX
  • CLASS X
  • CLASS XI
  • CLASS XII
  • CLASS VI
  • CLASS VII
  • CLASS VIII
UP BOARD
  • CLASS IX
  • CLASS X
  • CLASS XI
  • CLASS XII

Topic Question Set

Q 11 :

Given below are two statements :

Statement (I): The first ionization energy of Pb is greater than that of Sn.

Statement (II): The first ionization energy of Ge is greater than that of Si.

In the light of the above statements, choose the correct answer from the options given below :                [2025]

  • Statement I is true but Statement II is false

     

  • Both Statement I and Statement II are false

     

  • Statement I is false but Statement II is true

     

  • Both Statement I and Statement II are true

     

(1)

 

Q 12 :

First ionisation enthalpy values of first four group 15 elements are given below. Choose the correct value for the element that is a main component of apatite family:     [2025]

  • 1012 kJ mol-1

     

  • 1402 kJ mol-1

     

  • 834 kJ mol-1

     

  • 947 kJ mol-1

     

(1)