Advertisements
Advertisements
प्रश्न
Compare hydrogen with alkali metals on the basis of:
Oxide formation
Advertisements
उत्तर
Hydrogen burns in oxygen to form its oxide. It burns with a pop sound.
2H2 + O2 → 2H2O
Alkali metals also burn vigorously when heated in oxygen to form their respective oxides.
Lithium forms monoxide.
4Li + O2 → 2Li2O
APPEARS IN
संबंधित प्रश्न
Give one example of an oxidation-reduction reaction which is also a displacement reaction.
In the context of redox reactions, the removal of hydrogen from a substance is known as ______.
State whether the following conversion is oxidation or reduction:
PbO2 + SO2→ PbSO4
Complete and balance the following equation:
CuO +__________→ Cu +___________
State what is reducing agent. Give an example of oxidising agent in the gaseous, liquid, and solid form.
Grapes hanging on the plant do not ferment but after being plucked from the plant can be fermented. Under what conditions do these grapes ferment? Is it a chemical or a physical change?
During the reaction of some metals with dilute hydrochloric acid, following observations are made.
Silver metal does not show any change
Explain this observation giving suitable reason.
Choose the odd one out and write the reason:
Identify the following reactions as oxidation/reduction/redox reaction
CuO+H2 → Cu+H2O
Find the oxidation number of the element in the following compound.
N in NH3
