Question

which of the following pairs of metal exist in their free state in nature a g and h g a g n j a u n h t a u n a a g​

Answer 1

Answer:

not so good question..........

Explanation:

Answer 2

Out of these pairs :

(a)Ag and Hg

(b)Ag and Zn

(c)Au and Hg

(d)Au and Ag

That occur in free state is --> (d)

Explanation:

The Elements occur in nature in free as well as in combined state .

Their occurrence depends upon the chemical reactivity of elements .

• If the element is quite reactive then it occurs usually in combined forms like in form of ores .

For example : Aluminium occurs as Bauxite ore etc

• If the element is not that reactive then it occurs usually in free state .

If we consider the reactivity series , we see that Cu, Hg, Ag , Au and Pt are less reactive .

Out of this , Au and Ag and Pt are found in free state because they have least reactivity .

That is the reason in above asked question option (d) is a correct option .