In the Group 13 elements, the +1 oxidation state of thallium is more stable than +3 oxidation state, because of
Replusion effect
Inductive effect
Inert pair effect
Increasing atomic number
Which element — element bond has the highest bond dissociation potential?
C — C
Si — Si
Ge — Ge
Sn — Sn
The first ionisation potential of Group 13 elements is lower than that of Group 2 elements, because?
Electrons in Group 2 elements are bonded weakly
Electrons in Group 13 elements are bonded tightly
Group 13 elements have 3 electrons in valence shell
Group 13 elements have 5 electrons in valence shell
The elements of Group 14
Form M4+ ions
Form M4- and M4+ ions
Exhibit oxidation state of +4
Exhibit oxidation states of +4 and +2
In diborane, the two H — B — H angles are nearly
60º, 120º
95º, 120º
95º, 150º
120ºº, 180ºº
PbF4 and PbCl4 exist, but PbBr4 and PbI4 do not exist, because of
Large size of Br- and I-
Low electronegativity of Br- and I-
Strong reducing character of Pb4+
Strong oxidising character of Pb4+
Which of the following property increases with an increase in the atomic no. of Group 14 elements?
Atomic size
Ionisation potential
Metallic character
Stability of +2 oxidation state
Aluminium chloride exists as
Dimer
Polymer
Monomer
Tetrahedral