MCQ
Which ion has greatest radius in the following
  • A
    ${H^ - }$
  • B
    ${F^ - }$
  • C
    $B{r^ - }$
  • ${I^ - }$

Answer

Correct option: D.
${I^ - }$
d
(d) ${I^ - }$ as it has the biggest size.

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

Total number of deactivating groups in aromatic electrophilic substitution reaction among the following is
$IUPAC$ name of the structure
Identify $X$ in the reaction

(image) $\mathop {\xrightarrow{{CHC{l_3}/KOH}}}\limits_{heat} $ Intermediate $\mathop {\xrightarrow{{HCl}}}\limits_{300\,K} $ $X$

Which one of the following complexes is not expected to exhibit isomerism ?
Observe the following four solutions :

$P : 10\ ml, 0.1\ M\ NaOH + 5\ ml, 0.1\ M\ HCl$

$Q : 10\ ml, 0.1\ M\ NaOH + 15\ ml, 0.1\ M\ CH_3COOH$

$R : 10\ ml, 0.1\ M\ NH_3 + 10\ ml, 0.1\ M\ NH_4Cl$

$S : 10\ ml, 0.05\ M\ NaF + 5\ ml, 0.1\ M\ HF$

Which of above solutions act as buffer

Which of the following acids has the smallest dissociation constant
When $CO_2$ dissolves in water, the following equilibrium is established

$C{O_2} + 2{H_2}O\, \rightleftharpoons {H_3}{O^ + } + HCO_3^ - $

for which the equilibrium constant is $3.8 \times 10^{-7}$ and $pH = 6.0$. The ratio of  $[HCO_3^- ]$ to $[CO_2]$ would be :-

Which of the following options is the correct order of relative stabilities of cations $I, II$ and $III$ as written below (most stable first) ?

$(II)\,\,\,{{H}_{2}}C=CH-C{{H}_{2}}-\overset{+}{\mathop{C}}\,H-C{{H}_{3}}$

$(III)\,\,\,\begin{matrix}
   \,\,\,\,\,C{{H}_{3}}\,  \\
   |\,  \\
   {{H}_{3}}C-C-\overset{+}{\mathop{C}}\,{{H}_{2}}  \\
   |\,  \\
   \,\,\,C{{H}_{3}}  \\
\end{matrix}$

The shape of $XeOF_4$ molecule is
If atomic radius of Fluorine is X and for Neon is Y, then what is relation between $X$ and $Y$ ?