MCQ
Strongest reducing agent is
  • A
    $C{l_2}$
  • B
    $C{l^ - }$
  • C
    $B{r^ - }$
  • ${I^ - }$

Answer

Correct option: D.
${I^ - }$
d
(d) As it can donate ${e^ - }$ easily due to low comparative attraction by the nucleus to the valence ${e^ - }$.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

In which of the molecule $\pi-$ electrons are not delocalized ?
$0.1\,gm$ of organic compound was analysed by Kjeldahl's method. In analysis produced $NH_3$ absorbed in $30\, ml\, N/5\, H_2SO_4$ . The remaining acid required $20\, ml\, N/10\, NaOH$ for neutralisation. Calculate percentage.......$\%$ of nitrogen in organic compound
Name of the structure of silicates in which three oxygen atoms of $[SiO4]^{4-}$ are shared is
Which of the following element has highest metallic character

Element $- IP$

$12\,g$ of $Mg$ (at. mass $24$) will react completely with acid to give
Equal volume of following Ca2+ and F solution are mixed. In which of the Solutions will precipitation occur? [KSP of CaF2 = 1.7 × 10-10
IUPAC name of the compound:
$\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{CH}_3\\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\\\text{CH}_3-(\text{CH}_2)_4-\text{CH}-\text{C}-\text{CH}_3\\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{C}_2\text{H}_5(\text{CH}_2)_2-\text{CH}_3$
At temperature $T$ a compound $AB_2(g)$ dissociates according to the reaction with a degree of dissociation $'x'$ which is very small compared to unity. The value of $x$ is 

$2A{B_2}(g) \rightleftharpoons 2AB(g) + {B_2}(g)$

What is the ratio of glyoxal to pyrualdehyde obtained in the above reaction ?

(figure) $\xrightarrow[{(2)\,Zn}]{{(1)\,{O_3}}}\mathop {\begin{array}{*{20}{c}}
  {\,\,\,\,O\,\,\,\,\,\,\,O\,\,} \\ 
  {\,||\,\,\,\,\,\,\,\,\,||} \\ 
  {H - C - C - H} 
\end{array}}\limits_{Glyoxal}  + $ $\mathop {\begin{array}{*{20}{c}}
  {\,\,\,O\,\,\,\,\,O\,\,} \\ 
  {\,||\,\,\,\,\,\,\,\,||} \\ 
  {C{H_3} - C - C - C{H_3}} 
\end{array}}\limits_{2,3 - Bu\tan edione}  + \mathop {\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,O\,\,\,\,\,O} \\ 
  {\,\,\,\,\,\,||\,\,\,\,\,\,||} \\ 
  {C{H_3} - C - C - H} 
\end{array}}\limits_{Pyrualdehyde} $

Oxidation number of fluorine in $F _2 O$ is :