MCQ
The element having general electronic configuration $3{d^4}4{s^1}$ is
- ANoble gas
- BNon-metal
- CMetalloid
- ✓Transition metal
✓
Answer
Correct option: D.
Transition metal
d
(d)Transition metal as its last electron enters $d-$ orbital.
(d)Transition metal as its last electron enters $d-$ orbital.
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
${H_2}O$ is
→For the given cell ; $Cu ( s )\left| Cu ^{2+}\left( C _{1} M \right) \| Cu ^{2+}\left( C _{2} M \right)\right| Cu ( s )$ change in Gibbs energy $(\Delta G )$ is negative, if :
→The orbital with maximum energy is
Carbohydrates are used by body mainly
Inert gases are mixed in iodine vapours. Then there are _______ between them.
This reaction,
→$\begin{array}{*{20}{c}}
{\,\,\,\,\,C{H_3}} \\
| \\
{C{H_3} - C - ONa} \\
| \\
{\,\,\,\,\,C{H_3}}
\end{array}\, + \,C{H_3}C{H_2}Cl\,\xrightarrow{{ - NaCl}}\,$ $\begin{array}{*{20}{c}}
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - O - C{H_2} - C{H_3}} \\
{\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$
is called
$HO - (CH_2)_6 - OH,$ this conversion can be achieved by
→At $320\,K,$ a gas $A_2$ is $20\%$ dissociated to $A(g).$ The standard free energy change at $320\,K$ and $1\,atm$ in $J\,mo1^{-1}$ is approximately
→$(R= 8.314\,\,JK^{-1}\,\,mol^{-1};\,\,ln\,2 = 0.693;\,\,ln\,3 = 1.098)$
The aqueous solution of transition metal salt changes colour from pink to blue, when concentrated hydrochloric acid is added to it. The change In colour is due to
The volume, in $mL ,$ of $0.02\, M K _{2} Cr _{2} O _{7}$ solution required to react with $0.288\, g$ of ferrous oxalate in acidic medium is........
→(Molar mass of $Fe =56\, g\, mol ^{-1}$ )