question_answer

Ritika took four metals P, Q, R and S and added them to following solutions one by one. The results are summarised in the given table.

Metal	\[FeS{{O}_{4}}\]	\[CuS{{O}_{4}}\]	\[ZnS{{O}_{4}}\]	\[AgN{{O}_{3}}\]
P	\[\times \]		\[\times \]
Q			\[\_\_\_\]
R	\[\times \]	\[\_\_\_\]	\[\times \]
S	\[\times \]	\[\times \]	\[\times \]	\[\times \]

Which of the following statements are correct?

I. Q is more reactive than Fe but less reactive than Al.

II. Among the given metals, S is the most reactive metal.

III. R is less reactive than Ag but more reactive than Zn.

IV. P is more reactive than Cu but less reactive than Fe.

 

A) I and III only                

B) II and IV only

C) I and IV only   

D) II and III only