MCQ
Which of the following has highest ionic radii
- ✓$C{r^{ + 3}}$
- B$M{n^{ + 3}}$
- C$F{e^{ + 3}}$
- D$C{o^{ + 3}}$
✓
Answer
Correct option: A.
$C{r^{ + 3}}$
a
(a)${\rm{Ionic}}\,{\rm{ radii}}\,{\rm{ }} \propto {\rm{ }}\frac{{\rm{1}}}{{{\rm{Atomic No}}{\rm{.}}}}$ Ionic radius decreases from left to right in a period.
(a)${\rm{Ionic}}\,{\rm{ radii}}\,{\rm{ }} \propto {\rm{ }}\frac{{\rm{1}}}{{{\rm{Atomic No}}{\rm{.}}}}$ Ionic radius decreases from left to right in a period.
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
An organic compound containing oxygen, upon oxidation forms a carboxylic acid as the only organic product with its molecular mass higher by $14$ units. The organic compound is $.........$
→When methyl iodide treated with ammonia, the product obtained is:
Which of the following hormones is produced under the conditions of stress which stimulate glycogenolysis in the liver of human beings?
The compound which will give negative iodoform test is
The volume of water added to $500\, ml$, $0.5\, M\, NaOH$ so that its strength becomes $10\, mg$ $NaOH$ per $ml$, will be .......... $ml$.
→Which of the following is correct statement
Which of the following can be detected by carbylamine reaction :
Conc. ${H_2}S{O_4}$ heated with excess of ${C_2}{H_5}OH$ at ${140\,^o}C$ to form
→$A$ is
→The mixture of conc. $HCl$ and potassium chlorate on heating gives
→