alleryStart learning →Which element starts the 3d series of transition elements?
- Calcium
- Titanium
- Scandium
- Zinc
Show answer and solution
Correct answer: C. Scandium
The 21st electron of the atom enters the available 3d orbital, so the series begins at Z = 21.
MHT-CET Transition and Inner Transition Elements — practice questions
Explore 68 free Transition and Inner Transition Elements questions in MHT-CET Chemistry. Open each question or exercise to read its content, reference answers and available explanation.
Practise Transition and Inner Transition Elements with Quill →Transition and Inner Transition Elements questions and exercises with answers
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Which element starts the 3d series of transition elements?Read the answer and worked solution →The general outer electronic configuration of transition elements isRead the answer and worked solution →In the long form of the periodic classification, transition elements occupy which groups?Read the answer and worked solution →Which 3d series element has the configuration 3d5 4s1 instead of 3d4 4s2?Read the answer and worked solution →Copper has the ground state outer configurationRead the answer and worked solution →Which elements are not treated as transition elements because their ions have a filled d10 shell?Read the answer and worked solution →Why is copper still counted as a transition element?Read the answer and worked solution →The 4d series of transition elements begins withRead the answer and worked solution →Which noble gas core precedes the 3d series of elements?Read the answer and worked solution →Transition elements show a great variety of oxidation states becauseRead the answer and worked solution →Which first-row element shows six different oxidation states?Read the answer and worked solution →Transition metals are generally hard with low volatility, exceptRead the answer and worked solution →Across a transition series from left to right, atomic radiiRead the answer and worked solution →The added electron in a transition series enters which subshell?Read the answer and worked solution →Why do d electrons raise the effective nuclear charge across a series?Read the answer and worked solution →Ionic radii of transition elements compared with representative elements of the same period areRead the answer and worked solution →Ionization enthalpies of third-row transition elements are high mainly because ofRead the answer and worked solution →Low ionisation enthalpy and vacant d orbitals in the outer shell lead toRead the answer and worked solution →Hardness of transition metals suggests covalent bonding throughRead the answer and worked solution →In a transition series, melting points rise steadily up to which configuration?Read the answer and worked solution →Which metals show the highest melting points in their respective series?Read the answer and worked solution →Substances attracted into an applied magnetic field are calledRead the answer and worked solution →The spin-only magnetic moment of Mn2+ (five unpaired electrons) is aboutRead the answer and worked solution →A species with three unpaired electrons has a spin-only moment of aboutRead the answer and worked solution →Cu+ (3d10) is colourless because itRead the answer and worked solution →Ti4+ salts are colourless because Ti4+ has the configurationRead the answer and worked solution →[Co(H2O)6]2+ in water is pink and has which geometry?Read the answer and worked solution →Adding concentrated HCl to pink aqueous cobalt chloride gives a solution that isRead the answer and worked solution →The intense purple colour of MnO4- arises fromRead the answer and worked solution →Transition metals make good catalysts partly because theyRead the answer and worked solution →
Worked practice questions
The general outer electronic configuration of transition elements is
- ns2 np1-6 only
- (n-2)f1-14 ns2
- (n)p1-6 ns1-2
- (n-1)d1-10 ns1-2
Show answer and solution
Correct answer: D. (n-1)d1-10 ns1-2
Transition elements fill the penultimate d subshell, with one or two electrons in the valence s orbital.
In the long form of the periodic classification, transition elements occupy which groups?
- Groups 1 and 2
- Groups 13 to 18
- Groups 3 to 12
- Groups 3 to 10 only
Show answer and solution
Correct answer: C. Groups 3 to 12
The d block lies between the s block and p block, spanning groups 3 to 12 in periods 4 to 7.
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