MCQ
Which of the following elements has the highest third ionization enthalpy?
- ✓Mn
- BCr
- CFe
- DV
✓
Answer
Correct option: A.
Mn
a
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which one of the following is the most basic
$\text{IUPAC}$ name of $m-$cresol is $......$
→In the first transition series, the highest $B.P. $ and $M.P.$ is of
→The oxidation state of chlorine in bleaching powder is:
An electrolytic cell contains solution of $Ag_2SO_4$ and has Platinum electrodes. A current is passed until $1.6\,g$ of $O_2$ is liberated at anode. The amount of silver deposited at cathode would be ............ $\mathrm{g}$
→The final product $C$, obtained in this reaction
→image $\xrightarrow{{A{c_2}O}}A\mathop {\xrightarrow{{B{r_2}}}}\limits_{C{H_3}COOH} B\mathop {\xrightarrow{{{H_2}O}}}\limits_{{H^ + }} C$ would be
For the reaction ${I_2} + 2{S_2}O_3^{2 - }\rightarrow 2{I^ - } + {S_4}O_6^{2 - }$,Correct option is
→Copper from copper sulphate solution can be displaced by .............. The standard reduction potentials of some electrodes are given below
→$E^o (Fe^{+2}, Fe) = -0.44$ $ V$
$E^o (Zn^{+2}, Zn) = -0.76$ $ V$
$E^o (Cu^{+2}, Cu) = +0.34$ $V$
$E^o (Cr^{+2}, Cr) = -0.74$ $V$
$E^o (H^+, 1/2H_2) = -0.00$ $V$
Which of the following complex has five unpaired electrons?
At room temperature, a dilute solution of urea is prepared by dissolving $0.60\, g$ of urea in $360\, g$ of water. If the vapour pressure of pure water at this temperature is $35\, mm\, Hg$, lowering of vapour pressure will be: .............. $\mathrm{mm\,Hg}$ (molar mass of urea $= 60\, g\, mol^{-1}$)
→