D Block Elements

Quiz
•
Chemistry
•
University
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The number of unpaired electrons in gaseous species of Mn3+, Cr3+ and V3+ respectively are
4, 4 and 2
3,3 and 2
4, 3 and 2
3,3 and 3
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Zinc and mercury do not show variable valency like d-block elements because
They are soft
Their d-shells are complete
they have only two electrons in the outermost subshell
Their d-shells are incomplete
Tags
NGSS.HS-PS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour?
(At. No. Cr = 24, Mn = 25, Fe = 26, Co = 27)
[Cr(CN)6]3–
[Mn(CN)6]3–
[Fe(CN)6]3–
[Co(CN)6]3–
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the maximum oxidation state expected for vanadium?
+5
+6
+4
+2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the electron configuration of the Sc(I) ion?
[Ar] 4s14d1
[Ar] 4s13d1
[Ar] 3s13d1
{Ar] 4d2
Tags
NGSS.HS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the electron configuration of the Ni(II) ion? At no: 28
[Ar] 4s23d6
[Ar] 4s23d8
[Ar] 3d8
[Ar] 4s13d7
Tags
NGSS.HS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the metal ions in the following complex ions has a d5 electron configuration?
V(H2O)62+
Co(CN)-4
Mo(NH3)63+
Fe(CN)63–
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
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