MCQ
Transition elements are coloured
- ADue to small size
- BDue to metallic nature
- ✓Due to unpaired $d -$ electrons
- DAll of these
✓
Answer
Correct option: C.
Due to unpaired $d -$ electrons
c
(c)Due to unpaired $d-$ electrons.
(c)Due to unpaired $d-$ electrons.
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
Rank in the order of increasing acidic strength:
Formaldehyde gives an additive product with methyl magnesium iodide which on aqueous hydrolysis gives
(Image) $\xrightarrow[{2\,\,molar\,\,equivalent}]{{C{H_3}NHC{H_3}}}(A)$ $\xrightarrow{{BaO}}(B)\,\xrightarrow{\begin{subarray}{l}
C{H_3}I \\
(2\,\,molar\,\,equivalent)
\end{subarray} }(C)$ $\xrightarrow{{A{g_2}O\,/\,{H_2}O}}\,(D)\, + \,{(C{H_3})_3}N$
→C{H_3}I \\
(2\,\,molar\,\,equivalent)
\end{subarray} }(C)$ $\xrightarrow{{A{g_2}O\,/\,{H_2}O}}\,(D)\, + \,{(C{H_3})_3}N$
End product $(D)$ in the given sequence is
The electrophile involved in the below reaction is
Which of the following statements regarding sulphur is incorrect?
For artificial ripening of fruit, which of the following is used?
When $20g$ of napthoic acid $(\mathrm{C}_{11} \mathrm{H}_8 \mathrm{O}_2)$ is dissolved in $50g$ of benzene $(K_f = 1.72K kg/ mol),$ a freezing point depression of $2K$ is observed. The van't Hoff factor $(i)$ is:
→Among the following, the achiral amino acid is
Which of the following is correct for the reaction ?
In a set of reactions $m-$bromobenzoic acid gave a product $D.$ Identify the product $D.$
→(image) $\xrightarrow{{SOC{l_2}}}\,B\,\xrightarrow{{N{H_3}}}\,C$$\,\xrightarrow[{B{r_2}}]{{NaOH}}\,D$