Question

*Which of the following does not fit into the group according to the properties of the variable valency?*

1️⃣ copper
2️⃣ gold
3️⃣ mercury
4️⃣ iron​

Answer 1

Answer:

Mercury

Explanation:

Because Mercury is a fluid

Answer 2

Given :- Which of the following does not fit into the group according to the properties of the variable valency?*

1) copper

2) gold

3) mercury

4) iron

Answer :-

Explanation :-

As we know that,

• valency of copper = 1 or 2 .
• valency of gold = 1 or 3 .
• valency of mercury = 1 or 2 .
• valency of iron = 2 or 3 .

As we can see that, given 4 elements has two valency .

But valency of iron is either 2 or 3 . { Not 1 .}

therefore, we can conclude that, Iron does not fit into the group according to the properties of the variable valency .

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