Which of the following statement/s is/are corrected.

1)     Cu metal reacts with dil $H_{2} S O_{4}$ to give $H_{2}$

2)     $CO$ is neutral oxide

3)     Galvanisation means a coating of Fe on Zn pipes

4)     German silver is an alloy of iron

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Only 3 and 4

Only 2

All are correct

Only 1and 3 is correct

answer is C.

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Detailed Solution

The correct statement would be that

CO

is neutral oxide.
Neutral oxides are oxides which are not acidic, not basic. In other words, oxides which are not reacted with acids or bases are known as neutral oxides. Carbon monoxide is a flammable gas which is less dense than air; it is colourless, odourless and tasteless.

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