New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

D and F Block Elements question

2003 · Shift 0 · Q47

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Chemistry
D and F Block Elements
2003 · Shift 0 · Q47

D and F Block Elements question

2003 · Shift 0 · Q47

JEE MainChemistryD and F Block ElementsMCQ+4 / −1

The atomic numbers of vanadium (V), Chromium (Cr), manganese (Mn) and iron (Fe) are respectively 23, 24, 25 and 26. Which one of these may be expected to have the highest second ionization enthalpy?

A
Cr
B
Mn
C
Fe
D
V

More from D and F Block Elements

The radius of $L a^{3 +}$ (Atomic number of La = 57) is 1.06 Å. Which one of the following given values will be closest to the radius of $L u^{3 +}$ (Atomic number of Lu = 71) ?2003 · MCQ
The number of d-electrons retained in $F e^{2 +}$ (At no of Fe = 26) ion is :2003 · MCQ
How do we differentiate between $F e^{3 +}$ and $C r^{3 +}$ in group III?2002 · MCQ
When $K M n O_{4}$ acts as an oxidising agent and ultimately forms $[M n O_{4}]^{2 -}$ , $M n O_{2}$ , $M n_{2} O_{3}$ , $M n^{2 +}$ then the number of electrons transferred in each case respectively is :2002 · MCQ
Which of the following ions has the maximum magnetic moment?2002 · MCQ
Most common oxidation states of Ce (cerium) are :2002 · MCQ
The metal ions that have the calculated spin-only magnetic moment value of 4.9 B.M. are : A. $Cr^{2 +}$ B. $Fe^{2 +}$ C. $Fe^{3 +}$ D. $Co^{2 +}$ E. $Mn^{3 +}$ Choose the correct answer from the…2025 · MCQ
Consider the following reactions $A + Little amount NaCl + H_{2} SO_{4} \to CrO_{2} Cl_{2} + Side Products CrO_{2} Cl_{2 (Vapour)} + NaOH \to B + NaCl + H_{2} O B + H^{+} \to C + H_{2} O$ …2025 · Numerical