When Metal Q is placed in a solution of metal ions T^2+. A reaction occurs betwe

Question

When Metal Q is placed in a solution of metal ions T^2+. A reaction occurs between Q and T^2+, and metal ions Q^2+ appear in solution. Whe metal T is placed in acid, gas bubbles form on its surface. When metal Q is placed in a solution of metal ions Y^2+, no reaction occurs. Which of the following would not occur spontaneously.

A) T + Y^2+ -----> Y(s) + T^2+

B)Q + 2H^+ -----> H2(g) + Q^2+

C)Y(s) + Q^2+ ---->Q(s) + Y^2+

D)Y(s) + 2H^+ ----->H2(g) + Y^2+

E)T(s) + 2H^+ ----->H2(g) + T^2+

Explanation / Answer

When Metal Q is placed in a solution of metal ions T^2+. A reaction occurs between Q and T^2+, and metal ions Q^2+ appear in solution. Whe metal T is placed in acid, gas bubbles form on its surface. When metal Q is placed in a solution of metal ions Y^2+, no reaction occurs. Which of the following would not occur spontaneously

Inferences
Q is more reactive than T
T reduces to H2O to H2 gas
Y is more reactive than Q

so A) T + Y^2+ -----> Y(s) + T^2+    would not occur as Y is more reactive so T cant reduce it
rest all can occur

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