NEET Test Series from KOTA - 10 Papers In MS WORD
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CHXI10:THE S-BLOCK ELEMENTS
315731
Which among the following elements of group-2 exhibits anomalous properties?
1 \(\mathrm{Be}\)
2 \(\mathrm{Mg}\)
3 \(\mathrm{Ca}\)
4 \(\mathrm{Ba}\)
Explanation:
Beryllium (Be) because of its exceptionally small atomic and ionic size, high ionisation enthalpy and non-availability of d-orbital in its valence shell shows anomalous behviour than rest of the members of group 2.
MHTCET - 2018
CHXI10:THE S-BLOCK ELEMENTS
315732
Beryllium differes from rest of the members of its family (Group-IIA) in many ways. The reason for this is its
1 Small size and higher electronegativity
2 Small size and lower electronegativity
3 Large size and lower ionisation energy
4 Large size and largest ionic radius
Explanation:
(i) Small atomic size (ii) High electronegativity (iii) Absence of \({\rm{d}}\)-orbitals
315731
Which among the following elements of group-2 exhibits anomalous properties?
1 \(\mathrm{Be}\)
2 \(\mathrm{Mg}\)
3 \(\mathrm{Ca}\)
4 \(\mathrm{Ba}\)
Explanation:
Beryllium (Be) because of its exceptionally small atomic and ionic size, high ionisation enthalpy and non-availability of d-orbital in its valence shell shows anomalous behviour than rest of the members of group 2.
MHTCET - 2018
CHXI10:THE S-BLOCK ELEMENTS
315732
Beryllium differes from rest of the members of its family (Group-IIA) in many ways. The reason for this is its
1 Small size and higher electronegativity
2 Small size and lower electronegativity
3 Large size and lower ionisation energy
4 Large size and largest ionic radius
Explanation:
(i) Small atomic size (ii) High electronegativity (iii) Absence of \({\rm{d}}\)-orbitals