A student is given a mixture of iron filings and sulphur
powder. He was asked to heat the mixture and observe colour
change. He will observe the colour as
Red
A)
Green
B)
Black
vitit 2015, 110
Yellow
D)
Answers
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AyushKumar111111
AyushKumar111111
14.02.2018
Chemistry
Secondary School
+5 pts
Answered
a student was given mixture of iron filling and sulphur on heating it we observe the following 1)what is the colour of mixture 2) what is the magnetic effect on mixture III) reaction between CS2 of mixture IV) on adding dilute H2 S o4 what will happen. 5) the name the gas obtained and also write its. properties.
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gadakhsanket
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Hey dear,
● Answers -
a) Colour of mixture => Greyish black
b) Magnetic effect on mixture => Nothing
c) No reaction with carbon disulphide.
d) Ferrous sulphate is formed with release of hydrogen sulphide.
e) Gas obtained => Hydrogen sulphide
Properties of H2S => colourless gas with rotten eggs smell.
● Reactions -
Iron fillings react with sulphur to form iron sulphide.
Fe + S ---> FeS
Iron sulphide reacts with sulphuric acid & releases hydrogen sulphide gas.
FeS + H2SO4 ---> FeSO4 + H2S
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Answer:
Your answer is :
option B. is correct
black colour..
Explanation:
when Iron filling and sulphur heated they form iron sulphide which is black in colour .
It's formula is FeS..
Hope it helps you..
Thanks...