MCQ
Potash alum is a double salt, its aqueous solution shows the characteristics of
- A$Al^{3+}$ ions
- B$K^+$ ions
- C$SO_4^{2-}$ ions
- ✓All of the above
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Reason : Red phosphorus consists of $P_4$ tetrahedral units linked to one another to form linear chains.
$[A]$ The activation energy of the reaction is unaffected by the value of the steric factor
$[B]$ Experimentally determined value of frequency factor is higher than that predicted by Arrhenius equation
$[C]$ Since $P=4.5$, the reaction will not proceed unless an effective catalyst is used
$[D]$ The value of frequency factor predicted by Arrhenius equation is higher than that determined experimentally