2. Questions Bank
  3. JEE Main & Advanced
  4. Chemistry
  5. The s-Block Elements / s-ब्लॉक के तत्व

JEE Main & Advanced Chemistry The s-Block Elements / s-ब्लॉक के तत्व Question Bank Alkali Metals

  • question_answer
    Magnitude of which of the following property of alkali metals  increases with the increase of  atomic number [MP PMT 1987]

    A) Electronegativity

    B) Ionic radius

    C) First ionization energy

    D) Melting point

    Correct Answer: B

    Solution :

    Element -              Li        Na         K        Rb        Cs
    Ionic radius - (pm) 76 102 138 152 167
    as the atomic no. increases the no. of shells increases hence, atomic radius increases.


You need to login to perform this action.
You will be redirected in 3 sec spinner