MCQ
Collision frequency $(Z)$ of a gas at a particular pressure :
- ADecreases with the rise in temperature
- ✓Increases with the rise in temperature
- CDecreases initially and thereafter increases
- DNone of these
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
(Molecular Weight of $\mathrm{HNO}_{3}=63$ )
Statement $I :$ In 'Lassaigne's Test, when both nitrogen and sulphur are present in an organic compound, sodium thiocyanate is formed.
Statement $II :$ If both nitrogen and sulphur are present in an organic compound, then the excess of sodium used in sodium fusion will decompose the sodium thiocyanate formed to give $NaCN$ and $Na _{2} S$.
In the light of the above statements, choose the most appropriate answer from the options given below...