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CBSE
Class 12
Chemistry
Chemistry - I
The d-and f-Block Elements

Question Bank

Question Bank: The d-and f-Block Elements

This chapter covers the properties, electronic configurations, and significance of the d-and f-block elements in the periodic table, highlighting their applications and roles in various processes.

Question Bank - The d-and f-Block Elements

View all (95)
Q1.

Which block of the periodic table contains the transition metals?

Single Answer MCQ
Q-00083347
Q2.

What is the general electronic configuration for transition elements?

Single Answer MCQ
Q-00083348
Q3.

Which of the following elements is not considered a transition metal?

Single Answer MCQ
Q-00083349
Q4.

Which transition element has an electronic configuration of 4s2 3d7?

Single Answer MCQ
Q-00083350
Q5.

Scandium is considered a transition metal primarily because it has:

Single Answer MCQ
Q-00083351
Q6.

Which of the following correctly describes the location of d-Block elements in the periodic table?

Single Answer MCQ
Q-00083352
Q7.

Why do transition metals often exhibit multiple oxidation states?

Single Answer MCQ
Q-00083353
Q8.

What is a common property of transition metals related to their d-orbitals?

Single Answer MCQ
Q-00083354
Q9.

Which group of elements includes Titanium (Ti) and Zinc (Zn)?

Single Answer MCQ
Q-00083355
Q10.

What characterizes the electronic configuration of transition metals?

Single Answer MCQ
Q-00083356
Q11.

Which of the following factors influences the properties of transition elements the most?

Single Answer MCQ
Q-00083357
Q12.

Which transition metal is represented by the atomic number 26?

Single Answer MCQ
Q-00083358
Q13.

What is the electronic configuration of chromium (Cr)?

Single Answer MCQ
Q-00083359
Q14.

In terms of oxidation state, which transition metal typically shows +7 oxidation state?

Single Answer MCQ
Q-00083360
Q15.

What is unique about the transition metals' ability to form complexes?

Single Answer MCQ
Q-00083361
Q16.

Which of the following is the correct electronic configuration for Chromium (Cr)?

Single Answer MCQ
Q-00083362
Q17.

Which element has the electronic configuration [Ar] 3d10 4s1?

Single Answer MCQ
Q-00083363
Q18.

What is the electronic configuration of the Mn2+ ion?

Single Answer MCQ
Q-00083364
Q19.

Which transition metal has the electronic configuration [Kr] 4d10 5s1?

Single Answer MCQ
Q-00083365
Q20.

Why is Zinc not considered a transition metal?

Single Answer MCQ
Q-00083366
Q21.

Which of the following elements is most likely to exhibit a +3 oxidation state?

Single Answer MCQ
Q-00083367
Q22.

What is the correct electron configuration for the ion Co2+?

Single Answer MCQ
Q-00083368
Q23.

Which element in the 3d block has the configuration 3d6 4s2?

Single Answer MCQ
Q-00083369
Q24.

Identify the oxidation state of copper in Cu2O.

Single Answer MCQ
Q-00083370
Q25.

Which of the following noble gases can be used as a reference for electronic configuration shorthand?

Single Answer MCQ
Q-00083371
Q26.

Select the element that has the ground state configuration of [Xe] 4f14 5s2 5p6.

Single Answer MCQ
Q-00083372
Q27.

Which configuration represents Manganese in its ionized state (Mn4+)?

Single Answer MCQ
Q-00083373
Q28.

Why does Copper have an anomalous electronic configuration?

Single Answer MCQ
Q-00083374
Q29.

What factor influences the stability of oxidation states in transition metals?

Single Answer MCQ
Q-00083375
Q30.

Which of the following elements is not classified as a transition metal?

Single Answer MCQ
Q-00083376
Q31.

What is the common oxidation state exhibited by most transition metals?

Single Answer MCQ
Q-00083377
Q32.

Which property is characteristic of transition metals?

Single Answer MCQ
Q-00083378
Q33.

Which of the following transition elements has the highest melting point?

Single Answer MCQ
Q-00083379
Q34.

What distinguishes transition metals from non-transition metals?

Single Answer MCQ
Q-00083380
Q35.

Why do transition metals form colored compounds?

Single Answer MCQ
Q-00083381
Q36.

Which statement about transition metals is false?

Single Answer MCQ
Q-00083382
Q37.

What is the electron configuration of Chromium (Cr)?

Single Answer MCQ
Q-00083383
Q38.

What types of compounds do transition metals commonly form?

Single Answer MCQ
Q-00083384
Q39.

How does the presence of unpaired d-electrons affect transition metals?

Single Answer MCQ
Q-00083385
Q40.

Which transition metal has the lowest electronegativity?

Single Answer MCQ
Q-00083386
Q41.

Why do transition metals have high thermal and electrical conductivity?

Single Answer MCQ
Q-00083387
Q42.

Which oxidation state of manganese is the most stable in aqueous solution?

Single Answer MCQ
Q-00083388
Q43.

Which of the following transition metals is known for its catalytic properties?

Single Answer MCQ
Q-00083389
Q44.

What is the trend in the melting points of transition metals across a period?

Single Answer MCQ
Q-00083390
Q45.

Which of the following transition metals exhibits the highest oxidation state?

Single Answer MCQ
Q-00083391
Q46.

Which transition element is the most commonly used in the galvanizing process?

Single Answer MCQ
Q-00083392
Q47.

What is the oxidation state of zinc in ZnCl2?

Single Answer MCQ
Q-00083393
Q48.

How does the stability of oxidation states change among transition metals?

Single Answer MCQ
Q-00083394
Q49.

Why is copper(I) ion not stable in aqueous solutions?

Single Answer MCQ
Q-00083395
Q50.

What electronic configuration does titanium (Ti) have?

Single Answer MCQ
Q-00083396
Q51.

Which statement is true regarding the oxidation state of iron in Fe2O3?

Single Answer MCQ
Q-00083397
Q52.

Which of the following elements does not exhibit variable oxidation states?

Single Answer MCQ
Q-00083398
Q53.

What characteristic property is exhibited due to the presence of d electrons?

Single Answer MCQ
Q-00083399
Q54.

Which of the following ions undergoes disproportionation in an acidic medium?

Single Answer MCQ
Q-00083400
Q55.

Which oxidation state is stable for manganese in potassium permanganate (KMnO4)?

Single Answer MCQ
Q-00083401
Q56.

What is the oxidation state of vanadium in V2O5?

Single Answer MCQ
Q-00083402
Q57.

Which oxidation state is most common for transition metals?

Single Answer MCQ
Q-00083403
Q58.

In the case of which transition metal does the +3 oxidation state become more stable than the +2 state?

Single Answer MCQ
Q-00083404
Q59.

In which compound does iron exhibit the +6 oxidation state?

Single Answer MCQ
Q-00083405
Q60.

What is the oxidation state of the metal in the complex [Fe(CN)6]3-?

Single Answer MCQ
Q-00083406
Q61.

Which of the following species will exhibit a +2 oxidation state?

Single Answer MCQ
Q-00083407
Q62.

Which transition metal exhibits a +1 oxidation state more commonly than others?

Single Answer MCQ
Q-00083408
Q63.

Which d-block element is primarily used in the construction of high-strength steels?

Single Answer MCQ
Q-00083409
Q64.

Which f-block element is known for its use in nuclear reactors?

Single Answer MCQ
Q-00083410
Q65.

What key property allows transition metals to act as good catalysts?

Single Answer MCQ
Q-00083411
Q66.

Which compound of manganese is commonly used in dry cell batteries?

Single Answer MCQ
Q-00083412
Q67.

Which property of copper makes it essential in electrical wiring?

Single Answer MCQ
Q-00083413
Q68.

What is the primary role of cobalt in the production of high-speed steel?

Single Answer MCQ
Q-00083414
Q69.

Which transition metal is used in the homogeneous catalysis of hydrogenation reactions?

Single Answer MCQ
Q-00083415
Q70.

Why is titanium dioxide (TiO2) used in the pigment industry?

Single Answer MCQ
Q-00083416
Q71.

Which feature of zinc is exploited in galvanization?

Single Answer MCQ
Q-00083417
Q72.

Which oxidation state is most stable for manganese in biological systems?

Single Answer MCQ
Q-00083418
Q73.

Actinoids are commonly associated with which property that limits their use?

Single Answer MCQ
Q-00083419
Q74.

Which of the following is a common application of platinum in industry?

Single Answer MCQ
Q-00083420
Q75.

Which property of transition metals allows for the formation of colored compounds?

Single Answer MCQ
Q-00083421
Q76.

Which f-block element is primarily used in making strong permanent magnets?

Single Answer MCQ
Q-00083422
Q77.

Which element has a high application in producing white glass?

Single Answer MCQ
Q-00083423
Q78.

Which complex of cobalt is commonly used in blue dyes?

Single Answer MCQ
Q-00083424
Q79.

Which series of the inner transition elements includes elements from Cerium to Lutetium?

Single Answer MCQ
Q-00083425
Q80.

What is the electronic configuration of Uranium (U)?

Single Answer MCQ
Q-00083426
Q81.

Which of the following elements is NOT considered a transition metal according to IUPAC definitions?

Single Answer MCQ
Q-00083427
Q82.

What is the common oxidation state of lanthanides?

Single Answer MCQ
Q-00083428
Q83.

Which of the following statements is true about actinides?

Single Answer MCQ
Q-00083429
Q84.

Which of the following f-block elements is primarily used in nuclear reactors?

Single Answer MCQ
Q-00083430
Q85.

What is a defining characteristic of the actinides compared to lanthanides?

Single Answer MCQ
Q-00083431
Q86.

Which metal is typically found at the end of the lanthanoid series?

Single Answer MCQ
Q-00083432
Q87.

Which orbital is primarily filled in the chemistry of actinides?

Single Answer MCQ
Q-00083433
Q88.

Which of the following is a characteristic property of transition metals?

Single Answer MCQ
Q-00083434
Q89.

Identify the element that typically does not show +4 oxidation state among d-block elements.

Single Answer MCQ
Q-00083435
Q90.

Which molecule is commonly used as an indicator in redox titrations involving transition metals?

Single Answer MCQ
Q-00083436
Q91.

What is the general trend in the atomic radius of lanthanides?

Single Answer MCQ
Q-00083437
Q92.

Which f-block element is known for its used in thermographic and optical applications?

Single Answer MCQ
Q-00083438
Q93.

Why are many transition metals found in nature as ores?

Single Answer MCQ
Q-00083439
Q94.

Which actinoid is known for its use in atomic bombs?

Single Answer MCQ
Q-00083440
Q95.

Lanthanide contraction refers to:

Single Answer MCQ
Q-00083441

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