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Which of the following forms oxocations?

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Important Questions on f -Block Elements

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Comprehensive Guide to VITEEE Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 4 - f -Block Elements>Exercise 1>Q 7
The most common lanthanide is:
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Comprehensive Guide to VITEEE Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 4 - f -Block Elements>Exercise 1>Q 8
Total number of inner transition elements in the periodic table is
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Comprehensive Guide to VITEEE Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 4 - f -Block Elements>Exercise 1>Q 9
The lanthanoid contraction is responsible for the fact that
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Comprehensive Guide to VITEEE Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 4 - f -Block Elements>Exercise 1>Q 10
The electronic configuration of gadolinium (atomic number =64) is
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Comprehensive Guide to VITEEE Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 4 - f -Block Elements>Exercise 1>Q 11
The most common oxidation states shown by cerium are
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Comprehensive Guide to VITEEE Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 4 - f -Block Elements>Exercise 1>Q 12
The +3 ion of which one of the following has a half filled 4f-subshell?
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Comprehensive Guide to VITEEE Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 4 - f -Block Elements>Exercise 1>Q 13
Which of the following metals is found in gunmetal, monel metal and constant alloys?
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Comprehensive Guide to VITEEE Chemistry. Other applicable Exams - JEE Main, BITSAT, SRM JEE, MHT-CET, K-CET, EAMCET, AMU & Other State Engg. Entrance Exams>Chapter 4 - f -Block Elements>Exercise 1>Q 14
Non-lanthanide atom is