1
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following properties of lanthanoids is NOT true?

A
Good conductors of heat and electricity
B
All are non-radioactive elements
C
Have greater co-ordination number than six
D
Strongly paramagnetic
2
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the element with smallest ionic radius in +3 oxidation state from following.

A
Er
B
Lu
C
Eu
D
Yb
3
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following cations will not form coloured compounds? (Atomic number $$\mathrm{Cu}=29, \mathrm{Ti}=22, \mathrm{~V}=23, \mathrm{Mn}=25$$)

A
$$\mathrm{V}^{3+}$$
B
$$\mathrm{Ti}^{3+}$$
C
$$\mathrm{Cu}^{+}$$
D
$$\mathrm{Mn}^{2+}$$
4
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which element from following in +3 oxidation state forms colourless compounds?

A
Sc (Z = 21)
B
Ti (Z = 22)
C
V (Z = 23)
D
Fe (Z = 26)
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