EASY
JEE Main
IMPORTANT
Earn 100

Which of the following elements shows the maximum number of different oxidation states in its compounds?

25.93% studentsanswered this correctly

Important Questions on The d- and f-block Elements

EASY
JEE Main
IMPORTANT
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?
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 58
Brass is an alloy of
EASY
JEE Main
IMPORTANT
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
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 60
The common oxidation states of Ti are
EASY
JEE Main
IMPORTANT
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?
EASY
JEE Main
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
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 63
Titanium shows a magnetic moment of 1.73 B.M. in its compound. What is the oxidation number of Ti in the compound?
EASY
JEE Main
IMPORTANT
Chemistry Crash Course JEE Main>Chapter 27 - The d- and f-block Elements>Level 1>Q 64
Of the ions Zn2+, Ni2+ and Cr3+,
(Atomic number of Zn=30, Ni=28 and Cr=24)