This presentation will help you understand reaction of metals and non metals with water ,the reactivity series of metals. For students of class 7th and 8th

1. REACTION OF
WATER WITH
METALS AND
NON METALS
By: Hiren Vachher

2. Are you excited for fun learning session?
1.)Learnandunderstandthereactionofmetals
andnon-metalswithwater
2.)Determinethenatureoftheproductformed
whenmetalsandnon-metalsreactwithwater
3.)Learnaboutreactivityofvariousmetals
WEWILLBEABLETO:

3. REACTIVITY SERIES OF METALS
The reactivity series is an ordering
of metals from most reactive to
least reactive. The reactivity series is
also known as the activity series of
metals.
Potassium is at the top of the series
and hence is most reactive. Platinum is
at the bottom of the series and hence
is least reactive.
The series is based
on empirical data on
the ability of
a metal to displace
hydrogen gas from
water and acid.

4. REACTIVITY SERIES OF METALS
In the reactivity series, copper,platinum,
gold and silver are at the bottom and
hence are least reactive. These metals
are known as noble metals. Potassium
,sodium,calcium and magnesium are at
the top and hence are most
reactive.They are also called alkali
metals

6. HOW DO METALS
REACT WITH
WATER ?
METALS REACT WITH WATER AND PRODUCE
METAL HYDROXIDE AND HYDROGEN GAS. IT
REACTS WITH HOT WATER TO FORM
MAGNESIUM HYDROXIDE AND HYDROGEN. IT
ALSO STARTS FLOATING DUE TO THE
BUBBLES OF HYDROGEN GAS STICKING TO
ITS SURFACE. METALS LIKE ALUMINIUM,
IRON AND ZINC DO NOT REACT EITHER
WITH HOT WATER OR COLD WATER.

7. HOW DO METALS REACT
WITH WATER AND FORM
METAL HYDROXIDES ?
METALS REACT WITH WATER AND
PRODUCE METAL HYDROXIDE AND
HYDROGEN GAS. METAL OXIDES THAT
ARE SOLUBLE IN WATER DISSOLVE IN
IT AND FURTHER FORM METAL
HYDROXIDE. EQUATION-
METAL + WATER -> METAL HYDROXIDE + HYDROGEN

8. WHAT ARE
HYDROXIDES
a compound that
has oxygen and
hydrogen existing
together is
called a
hydroxide.

9. REACTION OF SODIUM AND WATER

10. THE REACTION
BETWEEN SODIUM
AND WATER IS VERY
VIGOROUS, QUICK AND
EXOTHERMIC. THAT IS
ONE OF THE REASONS
SODIUM IS STORED IN
KEROSENE
A LOT OF HEAT IS
GENERATED IN THE
REACTION.
Sodium+ Water ->
Sodium Hydroxide +
Hydrogen

11. REACTION OF IRON AND STEAM

12. IRON AND STEAM
REACT QUITE
SLOWLY
Iron + Steam ->
Iron Hydroxide+
Hydrogen

13. REACTION OF MAGNESIUM AND
HOT WATER

14. WHEN MAGNESIUM
REACTS WITH HOT
WATER, AFTER A FEW
MINUTES IT STARTS
FLOATING ON THE
SURFACE.
BUBBLES OF HYDROGEN
ALSO START FORMING
Magnesium +
Hot Water >
Magnesium
Hydroxide +
Oxygen

15. Reaction of non
metals with water
Now let's see that if non metals react
with water or not ?
+ -> ?

16. Generally non metals do not react
with water though they may be very
reactive in air .Such non metals are
stored in water
Equation:
Sulphur+ Water -> No Reaction
For example , Phosphorus is a very
reactive non metal . It catches fire if
exposed to air .To prevent this contact
phosphorus is stored in water .
Reaction of non
metals with water

17. Learning outcomes
You will now be able to:
1.) Understand the reactions of metals and
non-metals with water.
2.) Learn about reactivity of various
metals.
3.) Understand and determine the nature
of products (hydroxides) formed with the
help of litmus paper.
4.) Differentiate between metals and non-
metals based on their reaction with water.

18. THANK YOU
FOR ATTENDING!