Advertisements
Advertisements
Question
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Sodium - 2Na + 2H2O → ______+ _______ [g]
Advertisements
Solution
Sodium - 2Na + 2H2O → 2NaOH + H2 [g]
APPEARS IN
RELATED QUESTIONS
Which metal is preferred for the preparation of hydrogen?
from acid?
Why are the following metal not used in the lab. preparation of hydrogen?
iron
Complete and balance the following reaction.
Ca + H2O →_____________ +___________
Complete and balance the following reaction.
Fe + HCl →_____________ +___________
State how hydrogen occurs in the free state. Name three compounds containing hydrogen in the combined state.
Select the correct options for the following statement:
The metal which reacts with steam liberating hydrogen & the reaction is reversible.
Select the correct options for the following statement:
The product formed on combustion of hydrogen in air is ___.
Complete and balance the equation:
[General method]
Reactions of metals - alkali [conc. soln.]
Lead - Pb + 2NaOH → ______ + _______ [g]
Give a balanced equation for obtaining hydrogen from?
Steam using a metal – and the reaction is reversible.
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{NaAlO2 + H2}\]
