MCQ Questions for Class 12 Chemistry Chapter 8 The d-and f-Block Elements with Answers

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Are you guys looking for NCERT MCQ Questions for Class 12 Chemistry with Answers PDF Free Download as per CBSE new exam pattern ? You came to the right page. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Class 12 Chemistry. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

Q.1 Oxidation number of gold metal is

(a) +1
(b) 0
(c) -1
(d) all of these

(a) +1

Q.2 Shape of d-orbital is

(a) spherical
(b) dumb bell
(c) double dumb bell
(d) none of these

(c) double dumb bell

Q.3 Electronic configuration of alkaline earth element is

(a) ns2
(b) ns1
(c) np6
(d) ns0

(a) ns2

Q.4 Lanthanoid contraction is due to increase in

(a) atomic number
(b) effective nuclear charge
(c) atomic radius
(d) valence electrons

(b) effective nuclear charge

Q.5 Which one of the following is called green vitriol?

(a) FeSO4 7H2O
(b) CuSO4 5H2O
(c) CaSO4 2H2O
(d) None of these

(a) FeSO4 7H2O

Q.6 Which block of elements are known as transition elements?

(a) p-block
(b) s-block
(c) d-block
(d) f-block

(c) d-block

Q.7 Most abundant element in earth’s crust is

(a) Si
(b) Al
(c) Zn
(d) Fe

(a) Si

Q.8 Which one of the following is diamagnetic ion?

(a) Co2+
(b) Ni2+
(c) Cu2+
(d) Zn2+

(d) Zn2+

Q.9 Which of the following is not an element of first transition series?

(a) Iron
(b) Chromium
(c) Magnesium
(d) Nickel

(c) Magnesium

Q.10 Which transition metal can show highest oxidation state?

(a) Sc
(b) Ti
(c) Os
(d) In

(c) Os

Q.11 Which of the following is not an actinoid?

(a) Thorium
(b) Californium
(c) Uranium
(d) Terbium

(d) Terbium

Q.12 Which of the following would be diamagnetic?

(a) Cu2+
(b) Ni2+
(c) Cd2+
(d) Ti3+

(c) Cd2+

Q.13 Misch metal is an alloy of

(a) La
(b) Th
(c) Ac
(d) none of these

(a) La

Q.14 Maximum magnetic moment is shown by

(a) 3d8
(b) 3d7
(c) 3d9
(d) 3d5

(d) 3d5

Q.15 Maximum oxidation number of manganese is in

(a) K2MnO4
(b) MnO2
(c) KMnO4
(d) Mn2O4

(c) KMnO4

Q.16 Electronic configuration of Fez+ ion is

(a) [Ar] 4s23d4
(b) [Ar] 4s13d5
(c) [Ar] 3d6
(d) [Ar] 3d8

(c) [Ar] 3d6

Q.17 Transistion metals, despite high E° oxidation, are poor reducing agents. The incorrect reason is

(a) high heat of vaporization.
(b) high ionization energies.
(c) low heats of hydration.
(d) complex forming nature.

(d) complex forming nature.

Q.18 Anomalous electronic configuration in the 3d series are of

(a) Cr and Fe
(b) Cu and Zn
(c) Fe and Cu
(d) Cr and Cu

(d) Cr and Cu

Q.19 Which of the following are d-block elements but not regarded as transistion elements?

(a) Cu, Ag, Au
(b) Zn, Cd, Hg
(c) Fe, Co, Ni
(d) Ru, Rh, Pd

(b) Zn, Cd, Hg

Q.20 Transistion elements form alloys easily because they have

(a) Same atomic number
(b) Same electronic configuration
(c) Nearly same atomic size
(d) None of the above

(c) Nearly same atomic size

Q.21 Which one of the following characteristics of the transistion metals is associated with higher catalytic activity?

(a) High enthalpy of atomisation
(b) Paramagnetic behaviour
(c) Colour of hydrate ions
(d) Variable oxidation states

(d) Variable oxidation states

Chemistry MCQ Questions for Class 12 with Answers

Practicing NCERT Chemistry MCQs With Answers Pdf Class 12 is one of the best ways to prepare for the CBSE Class 12 board exam. There is no substitute for consistent practice whether one wants to understand a concept thoroughly or one wants to score better. If you have any queries regarding The Solid State CBSE Class 12 Chemistry MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

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