Chapter 3-5 Student Chemistry Worksheet - Class X, Central Board Of Secondary Education Page 16
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30Chapter 4 - Carbon and its Compounds
Formative Assessment Manual for Teachers
●
On heating ethanol with excess cone. H
SO
at 443K ethane and water is formed.
2
4
●
When carboxylic acid and alcohol reacting presence of acid, sweet smelling ester is
formed and ester react in presence of an acid or a base to give back the alcohol and
carboxylic acid.
●
Carboxylic acid reacts with a base like NaOH to give sodium salt of carboxylic acid
and water.
●
Carboxylic acid reacts with carbonates and hydrogen carbonates to give salts, water
and carbon dioxide.
Assessment Parameters:
One mark for every correct chemical equation. The reactions should clearly show the catalyst used
and the major products formed. Balancing of organic reactions is not must. Reactions given
in NCERT. chapter IV, class X text book may be used as criteria of marking.
Student Worksheet
Time: 20 minutes
Write balanced chemical equation for the following chemical reaction:
A.
Combustion of Methane.
B.
Reaction of ethanol with hot alkaline potassium permanganate.
C.
Reaction of propene with Hydrogen in presence of palladium or nickel
D.
Reaction of Methane with chlorine in presence of sunlight.
F.
Reaction of ethanol with Sodium Metal
G.
When ethanol is reacted with hot conc. Sulphuric Acid.
H.
Reaction of ethanoic acid with ethanol in presence conc. H
SO
.
2
4
I.
Reaction of ethylethanoate (CH
COOC
H
) with Sodium hydroxide.
3
2
5
46
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