Advertisements
Advertisements
Question
Compare hydrogen and halogens on the basis of:
reaction with oxygen
Advertisements
Solution
Hydrogen reacts with oxygen to form a neutral oxide, H2O. Halogens react with oxygen to form acidic oxides like Cl2O and Cl2O7.
APPEARS IN
RELATED QUESTIONS
Why does the colour of copper sulphate solution change when an iron nail is dipped in it?
Define the following in terms of gain or loss of hydrogen with one example:
Reduction
When a magnesium ribbon is heated, it burns in air to form magnesium oxide. Write a balanced chemical equation for this reaction. Name
- substance oxidised, and
- substance reduced.
Fill in the blank
In redox reaction oxidation and reduction occur ............................
The electron releasing tendency of zinc is ______ than that of copper.
The colours of aqueous solutions of CuSO4 and FeSO4 as observed in the laboratory are:
(A) pale green and light blue respectively
(B) light blue and dark green respectively
(C) dark blue and dark green respectively
(D) dark blue and pale green respectively
Compare hydrogen with alkali metals on the basis of:
Oxide formation
State whether the following conversion is oxidation or reduction:
Cu2+ + 2 e-→ Cu
Write the equation in the ionic form
CuSO4(aq) + Fe(s)→ FeSO4(aq) + Cu(s)
Metals are good ______.
