- A$Rn\,\, 5f^{13} \,7s^2 \,7p^2$
- B$Rn\, \,5f^{13}6\,d^1 \,7s^1\, 7p^2$
- C$Rn\,\, 5f^{14}\, 7s^1 \,7p^2$
- ✓$Rn\, \,5f^{14} \,6d^1\, 7s^2$
Lawrencium is an Actinide present in $5 f$ series of $f$-Block elements.
The outermost configuration $=\left[Rn\right]\, 5 f^{14} \,7s^2 \,7 p^1$
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Statement $(I)$ : Aqueous solution of ammonium carbonate is basic.
Statement $(II)$ : Acidic/basic nature of salt solution of a salt of weak acid and weak base depends on $\mathrm{K}_{\mathrm{a}}$ and $K_b$ value of acid and the base forming it.In the light of the above statements, choose the most appropriate answer from the options given below :
$(I)\,[Xe]\, 6s^1$ $(II)\,[Xe]\,4f^{14}\,5d^1\,6s^2$
$(III)\,[Ar]\,4s^2\,4p^5$ $(IV)\,[Ar]\,3d^7,\,4s^2$
Select the incorrect statement about these elements
$Compound\xrightarrow{{KMn{O_4}/{H^ \oplus }}}$
