Advertisements
Advertisements
प्रश्न
A metal ______ hydrogen in the reactivity series gives hydrogen with ______.
Advertisements
उत्तर
A metal above hydrogen in the reactivity series gives hydrogen with dilute acids.
APPEARS IN
संबंधित प्रश्न
What is noticed if the products are not allowed to escape?
Give reason for the following:
The end of the thistle funnel should be dipped under acid.
How did the name 'hydrogen' originate?
Hydrogen may be prepared in the laboratory by the action of a metal on an acid.
How would you modify your apparatus to collect dry hydrogen? Which drying agent would you employ for this purpose?
Why are the following metals not used in the lab preparation of hydrogen?
calcium
Why are the following metal not used in the lab. preparation of hydrogen?
iron
Complete and balance the following reaction.
Fe + HCl →_____________ +___________
Complete and balance the equation:
[General method]
Reactions of metals with steam
Iron - 3Fe + 4H2O ⇌ ______+ _______ [g]
State the electronic configuration of hydrogen [at. no. 1].e
Give a reason why hydrogen can be placed in group 1 [1A] and group 17 [VIIA] of the periodic table.
Give a balanced equation for obtaining hydrogen from?
Steam using a metal – and the reaction is reversible.
