Download App

STD 11 - 3. Classification of elements and periodicity in properties — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 3. Classification of elements and periodicity in properties4 Marks
Question
The smallest among the following ions is
✓

Answer

d
$(d)$ The size of an species decreases with increasing nuclear charge because the attraction for the electrons increases. Thus $A{l^{3 + }}$is smaller in 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

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

In which of the following reactions,bakward reaction is favoured ?
→
In which of the following reactions hydrogen gas will not be evolved ?
→
How much faster would a reaction proceed at $25\,^oC$ than at $0\,^oC$ if the activation energy is $65\,kJ$ ....... times
→
Among the following which has the highest first ionization energy
→
In a hydrogen -oxygen fuel cell, combustion of hydrogen occurs to
→
$9.3 \mathrm{~g}$ of aniline is subjected to reaction with excess of acetic anhydride to prepare acetanilide. The mass of acetanilide produced if the reaction is _________$100 \%$ completed is $\times 10^{-1} \mathrm{~g}$. (Given molar mass in $\mathrm{g} \mathrm{mol}^{-1} \mathrm{~N}: 14, \mathrm{O}: 16, \mathrm{C}$ : $12, \mathrm{H}: 1)$
→
Which of the following associated with isotonic solutions is not correct
→
Although Zirconium belongs to $4d$ transition series and Hafnium to $5d$ transition series even then they show similar physical and chemical properties because _____
→
Number of colourless lanthanoid ions among the following is . . . . .

$\mathrm{Eu}^{3+}, \mathrm{Lu}^{3+}, \mathrm{Nd}^{3+}, \mathrm{La}^{3+}, \mathrm{Sm}^{3+}$

→
An organic compound $(C_3H_9N)\,\, (A),$ when treated with nitrous acid, gave an alcohol and $N_2$ gas was evolved. $(A)$ on warming with $CHCl_3$ and caustic potash gave $(C)$ which on reduction gave isopropylmethylamine. Predict the structure of $(A).$
→