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The most common oxidation states shown by cerium are

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Important Questions on The d- and f-block Elements

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IMPORTANT
Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 53
Which of the following metal is found in gunmetal, Monel metal and constantan alloys?
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IMPORTANT
Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 55
In which of the following lanthanides oxidation state +2 is most stable?
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Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 57
Which metal is present in brass, bronze and German silver?
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Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 58
Brass is an alloy of
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Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 59
The catalytic activity of the transition metals and their compounds is ascribed to
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Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 60
The common oxidation states of Ti are
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Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 61
The atomic numbers of vanadium (V), chromium (Cr), manganese (Mn) and iron (Fe) are 23, 24, 25, and 26, respectively. Which one of these may be expected to have the highest second ionization enthalpy?
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IMPORTANT
Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 62
(Atomic numbers: Ti=22, Co=27, Cu=29, Ni=28). The colourless species are