MCQ
Which among the following is kinetically inert towards water?
- A$Na$
- ✓$Be$
- C$Ca$
- D$K$
✓
Answer
Correct option: B.
$Be$
$Na, K$ and $Ca$ decompose water by evolving hydrogen gas. However Be does not react with water even when red hot. Its protective oxide layer survives even at high temperature.
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
Correct set of four quantum numbers for valence electron of rubidium $ (Z = 37)$ is
→Product $(x)$ is
→Which of the following compound has highest boiling point
The major product of the reaction given below is
Which of the following is an effect of herbicide?
Density of a $2.05\,M$ solution of acetic acid in water is $1.02\, g/mL.$ The molality of the solution is ............. $\mathrm{mol}$ $\mathrm{kg}^{-1}$
→The number of subshells associated with $n=4$ and $m =-2$ quantum numbers is :
→$K_b$ for $NH_4OH$ is $1.8\times 10^{-5}.$ The $[\mathop O\limits^\Theta H]$ of $0.1\,M\,NH_4OH$ is
→The compound formed as a result of oxidation of propyl benzene by hot alkaline $\mathrm{KMnO}_4$ is :
→Identify the electronic configuration of an element whose atomic radii is determined by taking half the internuclear distance between like atoms.