Question
The first, second and third Ionisation energies $(E_1 , E_2$ and $E_3)$ for an element are $7\, eV, 12.5\,eV$ nnd $42.5\, eV$ respectively. The most stable oxidation state of the element will be
✓
Answer
d
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 of the following represents the anomer of the compound shown ?
The catalyst used in Raschig's process is
For the gas phase reaction ${A_2}_{(g)} + {B_2}_{(g)} \rightarrow {2AB}_{(g)}$ taking place at constant pressure and temperature where all gases are behaving ideally which of the following must be correct
→The $IUPAC$ name of the following compound is
→Assertion :Nitrobenzene is used as a solvent in Friedel-Craft's reaction.
Reason : Fusion of nitrobenzene with solid $KOH$ gives a low yield of a mixture of $o-$ and $p-$ nitrophenols
→Reason : Fusion of nitrobenzene with solid $KOH$ gives a low yield of a mixture of $o-$ and $p-$ nitrophenols
The hyperconjugative stabilities of tert-butyl cation and $2$-butene, respectively, are due to
→$\mathop {C{H_3} - CH = O}\limits_{(I)} \rightleftharpoons \mathop {C{H_2} = CH - OH}\limits_{(II)} $
→Between the two tautomers which is more stable ?
In which of the following pair, both the species are isoelectronic but the first one is large in size than the second?
In spectro chemical series, the positions occupied by the ligands $Cl^-, OH^-, CN^-$ in the increasing splitting power is
→The oxidation states of phosphorus vary from