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Worksheetsd block
Total questions: 10
Worksheet time: 50mins
Which block of elements are known as transition elements?
p-block
s-block
d-block
f-block
Which one of the following is diamagnetic ion?
Co2+
Ni2+
Cu2+
Zn2+
Colour of transition metal ions are due to absorption of some wavelength. This results in
d-s transition
s-s transition
s-t/transition
d-d transition
Which of the following pairs of ions have the same electronic configuration?
Cu2+, Cr2+
Fe3+, Mn2+
Co3+, Ni3+
Sc3+, Cr3+
Lanthanoid contraction is due to increase in
atomic number
effective nuclear charge
atomic radius
valence electrons
Which of the following has magnetic moment value of 5.9 BM ?
Fe2+
Fe3+
Ni2+
Cu2+
Which of the following are d-block elements but not regarded as transition elements?
Cu, Ag, Au
Zn, Cd, Hg
Fe, Co, Ni
Ru, Rh, Pd
Transition elements form alloys easily because they have
Same atomic number
Same electronic configuration
Nearly same atomic size
None of the above
Which one of the following characteristics of the transition metals is associated with higher catalytic activity?
High enthalpy of atomisation
Paramagnetic behaviour
Colour of hydrate ions
Variable oxidation states
The property which is not characteristic of transition metals is
variable oxidation states.
tendency to form complexes.
formation of coloured compounds.
natural radioactivity.
