d and f Block Elements · Chemistry · MHT CET

Start Practice

MCQ (Single Correct Answer)

1

Which from following elements belongs to inner transition elements?

MHT CET 2025 5th May Evening Shift
2

Which actinoid from following in its +3 state has largest size?

MHT CET 2025 5th May Evening Shift
3

What is the number of unpaired electrons in f orbitals of lutetium in its +3 oxidation state?

MHT CET 2025 26th April Evening Shift
4

What is the value of spin only magnetic moment for $\mathrm{Cu}^{2+}$ in BM?

MHT CET 2025 26th April Evening Shift
5

Which lanthanoid from following may exhibit +4 oxidation state with $f^0$ configuration?

MHT CET 2025 26th April Morning Shift
6

Which cation from following exhibits no magnetic moment?

MHT CET 2025 26th April Morning Shift
7

Which from following elements in respective oxidation state develops highest spin only magnetic moment?

MHT CET 2025 25th April Evening Shift
8

Which element from following has smallest ionic size in +3 state?

MHT CET 2025 25th April Evening Shift
9

Which lanthanoid from following has highest ionisation $\left(\mathrm{IE}_1\right)$ enthalpy?

MHT CET 2025 25th April Morning Shift
10
What is the value of spin only magnetic moment for $\mathrm{Mn}^{2+}$ in BM?
MHT CET 2025 23rd April Evening Shift
11

Identify the lanthanoid that exhibits zero effective magnetic moment in +3 state.

MHT CET 2025 23rd April Evening Shift
12

Find the value of spin only magnetic moment for $\mathrm{Zn}^{2+}$ in BM.

MHT CET 2025 23rd April Morning Shift
13

Which element from following has largest ionic size in +3 state?

MHT CET 2025 23rd April Morning Shift
14

Identify the element having highest ionisation enthalpy ( $I E_1$ ) from following.

MHT CET 2025 22nd April Evening Shift
15

Which from following is used as catalyst in Fisher Tropsch process for the synthesis of gasoline?

MHT CET 2025 22nd April Evening Shift
16

Identify a weakest base from following

MHT CET 2025 22nd April Morning Shift
17

Which from following elements forms coloured compound in its respective oxidation state?

MHT CET 2025 21st April Evening Shift
18

Which from following is the general formula of compound obtained when lanthanoid (Ln) reacts with carbon at elevated temperature?

MHT CET 2025 21st April Evening Shift
19

Which from following is a soft metal?

MHT CET 2025 21st April Morning Shift
20

If $\operatorname{Ln}$ represents lanthanoid element find the general formula of lanthanoid hydroxide.

MHT CET 2025 21st April Morning Shift
21

Which from following lanthanoids exhibits +4 oxidation state in $\mathrm{F}^7$ configuration?

MHT CET 2025 20th April Evening Shift
22

Which cation from following develops least magnetic moment?

MHT CET 2025 20th April Evening Shift
23

Which from following is a lanthanoid element?

MHT CET 2025 20th April Morning Shift
24

What is the number of unpaired electrons in Ti in +3 state?

MHT CET 2025 20th April Morning Shift
25

Identify the element from following such that the last electron is placed in $(\mathrm{n}-1) \mathrm{d}$ orbital.

MHT CET 2025 19th April Evening Shift
26

Which transition series includes elements Co and Mo respectively?

MHT CET 2025 19th April Evening Shift
27
Which from following elements is NOT regarded as transition element?
MHT CET 2025 19th April Morning Shift
28
Which from following cations develops lowest value of spin only magnetic moment?
MHT CET 2025 19th April Morning Shift
29

Which pair of metal ions from following have same number of unpaired electrons?

MHT CET 2024 16th May Evening Shift
30

Identify an actinoid element from following.

MHT CET 2024 16th May Evening Shift
31

Which from following elements has completely filled 4 f orbital at expected ground state configuration?

MHT CET 2024 16th May Morning Shift
32

What is the general formula of lanthanoid hydroxide? (Consider Ln as any lanthanoid element)

MHT CET 2024 16th May Morning Shift
33

Which among the following properties is NOT exhibited by transition elements?

MHT CET 2024 15th May Evening Shift
34

Which among the following is ferromagnetic substance?

MHT CET 2024 15th May Morning Shift
35

Which element from following is the last element of 5d-transition series?

MHT CET 2024 11th May Evening Shift
36

Which element from following is NOT considered as transition element on the basis of electronic configuration?

MHT CET 2024 11th May Evening Shift
37

Which element from following has lowest ionization enthalpy $\left(\mathrm{IE}_1\right)$ ?

MHT CET 2024 11th May Morning Shift
38

Which element from following exhibits highest number of various different possible oxidation states?

MHT CET 2024 11th May Morning Shift
39

Which element from following does NOT exhibit magnetic moment in +2 state?

MHT CET 2024 10th May Evening Shift
40

Identify false statement about transition elements.

MHT CET 2024 10th May Evening Shift
41

Identify rare earth element from following.

MHT CET 2024 10th May Morning Shift
42

Which element from following has completely filled f-orbital in observed and expected electronic configuration?

MHT CET 2024 10th May Morning Shift
43

Which element from following in +2 state exhibits highest magnetic moment?

MHT CET 2024 9th May Evening Shift
44

What is the highest oxidation state of third row transition elements?

MHT CET 2024 9th May Evening Shift
45

Which from following elements belongs to the actinoids?

MHT CET 2024 9th May Morning Shift
46

What is the number of electrons present in d-subshell if its atomic number is 27 and oxidation state is +2 ?

MHT CET 2024 9th May Morning Shift
47

Which from following properties of lanthanoids is NOT true?

MHT CET 2024 4th May Evening Shift
48

Which element from following has half filled If orbital at observed ground state?

MHT CET 2024 4th May Evening Shift
49

Identify ferromagnetic substance from following.

MHT CET 2024 4th May Morning Shift
50

Which pair of elements from following has halt filled d-orbital in observed electronic configuration?

MHT CET 2024 4th May Morning Shift
51

Identify the element having smallest ionic size in +3 state from following.

MHT CET 2024 3rd May Evening Shift
52

Which from following lanthanoids exhibits no effective magnetic moment in +3 state?

MHT CET 2024 3rd May Evening Shift
53

Which from following metal ions in their respective oxidation states forms coloured compound?

MHT CET 2024 3rd May Morning Shift
54

What is the number of electrons present in 3d orbital of Ti in +2 state?

MHT CET 2024 3rd May Morning Shift
55

Identify a compound having highest thermal stability.

MHT CET 2024 2nd May Evening Shift
56

Which from following is NOT a lanthonoid element?

MHT CET 2024 2nd May Evening Shift
57

Which from following catalysts is used in the Haber's process for manufacture of ammonia?

MHT CET 2024 2nd May Evening Shift
58

Which element from following exhibits lowest number of different oxidation states?

MHT CET 2024 2nd May Morning Shift
59

What is the total number of unpaired electrons in an element placed at period-4 and group-12 either in excited or at ground state?

MHT CET 2024 2nd May Morning Shift
60

Which among the following elements does NOT exhibit ferromagnetic properties?

MHT CET 2023 14th May Evening Shift
61

Which from following elements is in liquid state at room temperature?

MHT CET 2023 14th May Evening Shift
62

Find the number of unpaired electrons for copper in ground state configuration.

MHT CET 2023 14th May Evening Shift
63

Identify the element having highest ionization enthalpy.

MHT CET 2023 14th May Evening Shift
64

Which among the following cations produces colourless aqueous solution in their respective oxidation state?

MHT CET 2023 14th May Morning Shift
65

What is the number of elements present in each series of transition element?

MHT CET 2023 13th May Evening Shift
66

Which from following elements exhibits ferromagnetic properties?

MHT CET 2023 13th May Morning Shift
67

Which element from the following possesses half-filled d-orbitals either in expected or in observed electronic configuration?

MHT CET 2023 12th May Evening Shift
68

What is the numerical value of spin only magnetic moment of copper in +2 state?

MHT CET 2023 12th May Morning Shift
69

Which element from following does NOT exhibit spin only magnetic moment in +3 state?

MHT CET 2023 11th May Evening Shift
70

Which from following cations in their respective oxidation states develops colourless aqueous solution?

MHT CET 2023 11th May Evening Shift
71

Oxidation state of manganese in potassium permanganate is:

MHT CET 2023 11th May Morning Shift
72

Which of the following elements is doped with to obtain fibre amplifiers for optical fibre communication system?

MHT CET 2023 10th May Morning Shift
73

Identify lanthanoid element from following.

MHT CET 2023 10th May Morning Shift
74

What is the stock notation of Manganese dioxide?

MHT CET 2023 9th May Evening Shift
75

Which from following statements regarding transition elements is NOT CORRECT?

MHT CET 2023 9th May Evening Shift
76

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

MHT CET 2023 9th May Evening Shift
77

What are different possible oxidation states exhibited by scandium?

MHT CET 2023 9th May Morning Shift
78

Find the value of spin only magnetic moment for chromium cation in +2 state.

MHT CET 2023 9th May Morning Shift
79

Which among the following properties of lanthanoids is NOT true?

MHT CET 2022 11th August Evening Shift
80

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

MHT CET 2022 11th August Evening Shift
81

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

MHT CET 2021 24th September Evening Shift
82

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

MHT CET 2021 24th September Evening Shift
83

What is value of spin only magnetic moment of $$\mathrm{Ni}(\mathrm{Z}=28)$$ in +2 oxidation state?

MHT CET 2021 23rd September Evening Shift
84

Which of the following elements in their respective oxidation states does not develop spin only magnetic moment? [$$\mathrm{Ti}(\mathrm{Z}=22), \mathrm{Zn}(\mathrm{Z}=30), \mathrm{V}(\mathrm{Z}=23), \mathrm{Cu}(\mathrm{Z}=29)$$]

MHT CET 2021 23rd September Evening Shift
85

Identify ferromagnetic element from following.

MHT CET 2021 23th September Morning Shift
86

Which element from following lanthanoids has half-filled $$\mathrm{f}$$- orbital in observed and expected electronic configuration?

MHT CET 2021 22th September Evening Shift
87

Which element from following exhibits various different oxidation states from +2 to +7?

MHT CET 2021 22th September Morning Shift
88

Which block elements from following are known as transition elements?

MHT CET 2021 22th September Morning Shift
89

Which element among the following is ferromagnetic?

MHT CET 2021 21th September Evening Shift
90

Which property from following is NOT exhibited by interstitial compounds?

MHT CET 2021 21th September Evening Shift
91

What are the formulae of the compounds formed when lanthanoids (Ln) react with nitrogen and halogen respectively?

MHT CET 2021 20th September Evening Shift
92

Which among following properties of lanthanoids is NOT true?

MHT CET 2021 20th September Evening Shift
93

Which among the following elements has completely filled 4d-orbital?

MHT CET 2021 20th September Morning Shift
94

Identify the correct statement about properties of interstitial compounds.

MHT CET 2021 20th September Morning Shift
95

Identify the correct decreasing order of densities of $d$-block elements.

MHT CET 2020 19th October Evening Shift
96

Which of the following actinoids exhibits only +3 oxidation state?

MHT CET 2020 16th October Evening Shift
97

Which of the following elements belongs to first inner transition series?

MHT CET 2020 16th October Evening Shift
98

Identify the element having highest enthalpyot atomisation from following.

MHT CET 2020 16th October Morning Shift
99

Which among the following lanthanoids, shows only +3 oxidation state?

MHT CET 2020 16th October Morning Shift
100

.What is the shape and magnetic nature of permanganate ion?

MHT CET 2019 3rd May Morning Shift
101

The highest oxidation state in plutonium (At. no. $=94$) is

MHT CET 2019 3rd May Morning Shift
102

When a mixture of manganese dioxide, potassium hydroxide and potassium chlorate is fused, the product obtained is

MHT CET 2019 2nd May Evening Shift
103

The ionic charges on chromate ion and dichromate ion respectively is

MHT CET 2019 2nd May Morning Shift
EXAM MAP