Compare Hydrogen and Halogens on the Basis Of: Reaction with Oxygen

Compare hydrogen and halogens on the basis of:

reaction with oxygen

One Line Answer

Hydrogen reacts with oxygen to form a neutral oxide, H₂O. Halogens react with oxygen to form acidic oxides like Cl₂O and Cl₂O₇.

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Chapter 6 Study of the First Element - Hydrogen
Exercise 6 (A) | Q 8.4 | Page 102

The process of respiration is ______.

In what respect does hydrogen differ from:

alkali metals

Rusting of iron involves a chemical reaction which is a combination of:

Identify the reducing agent in the following reactions

`2"H"_2 + "O"_2 -> 2"H"_2"O"`

Identify the oxidising agent (oxidant) in the following reactions

`"V"_2"O"_5 + 5"Ca" -> 2"V" + 5"CaO"`

What is rancidity?

When hydrogen gas is passed over black copper oxide, a reddish-coloured layer of copper is formed.

Answer the questions that follow based on this reaction.

Write the equation.
What type of reaction is it?
Complete the blanks:
In this reaction, an oxygen atom goes away from CuO (copper oxide), which means that ______ of copper oxide takes place, whereas a hydrogen molecule takes up an oxygen atom and water (H₂O) is formed, meaning ______ of hydrogen takes place.

State whether the given chemical reaction is a redox reaction or not. Justify your answer.

\[\ce{MnO_2 + 4HCl->MnCl_2 +2H_2O + Cl_2}\]

Metals are good ______.