MCQ
Which of the following is not true about helium?
- AIt has the lowest boiling point
- BIt has the highest first ionization energy
- CIt can diffuse through rubber and plastic material
- ✓It can form clathrate compounds
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$(K_f $ for benzene $= 5.12 \,K\, kg\, mol^{-1})$
$(1) Ca_3P_2 + H_2O \to$
$(2)$ ${H_3}P{O_3}\xrightarrow{\Delta }$
$(3) P_4 + NaOH \to$
$(4)$ ${H_3}P{O_4}\xrightarrow{\Delta }$
$(5) HNO_3 + P_4O_{10} \to$
$(6)$ $P_4+HNO_3 \to$
