1
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the stock notation of Manganese dioxide?

A
$$\mathrm{Mn}(\mathrm{I}) \mathrm{O}_2$$
B
$$\mathrm{Mn}(\mathrm{II}) \mathrm{O}_2$$
C
$$\mathrm{Mn}(\mathrm{III}) \mathrm{O}_2$$
D
$$\mathrm{Mn}(\mathrm{IV}) \mathrm{O}_2$$
2
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following statements regarding transition elements is NOT CORRECT?

A
These exhibit properties between '$$s$$' and '$$p$$' block elements.
B
These form cations with incomplete d-subshell.
C
5d series consists of all elements from lanthanum to mercury of periodic table.
D
These are arranged in four different '$$d$$' series.
3
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify the element from following having six unpaired electrons in observed electronic configuration?

A
$$\mathrm{Cu}$$
B
$$\mathrm{Zn}$$
C
$$\mathrm{Cr}$$
D
$$\mathrm{Ti}$$
4
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What are different possible oxidation states exhibited by scandium?

A
$$+4$$
B
$$+5$$
C
$$+4,+5$$
D
$$+2,+3$$
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