MCQ
Which of the following is a colligative property
- ASurface tension
- BViscosity
- ✓Osmotic pressure
- DOptical rotation
Example- Osmotic pressure, elevation of boiling point, depression in freezing point and relative lowering of vapour pressure.
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$A : 1s^2\, 2s^2\, 2p^6$
$B : 1s^2\, 2s^2\, 2p^6\, 3s^2\, 3p^3$
$C : 1s^2\, 2s^2\, 2p^6\, 3s^2\, 3p^5$
What is $A$
$A$. $Al^{3+}$ $B$. $Cu^{2+}$ $C$. $Ba^{2+}$ $D$. $Co^{2+}$ $E$. $Mg^{2+}$
Choose the correct answer from the options given below.
$Pt:\frac{1}{2}\,{H_2}\left( g \right)\,|{H^ + }\left( {{{10}^{ - 8}}\,M} \right)||{H^ + }\,\left( {{{10}^{ - 3}}\,M} \right)|\frac{1}{2}\,{H_2}\left( g \right)\,;Pt$