No Light Reflected back yielded Black!
How many of the following Sulphides are black in color?
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N i S
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A s X 2 S X 3
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S n S X 2
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S n S
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C u S
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C o S
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B i X 2 S X 3
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H g S
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P b S
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C d S
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M n S
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Z n S
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A g X 2 S
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A s X 2 S X 5
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S b X 2 S X 3
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S b X 2 S X 5
I just now came to know that there is some problem with the colour of B i X 2 S X 3 , so for the purpose of this problem, take its colour to be Black! (Not brown)
This is a part of my set Inorganic Fun
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1 solution
Yup did the same!!
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Is this important for jee?
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Yup it is indeed very important . check up jee 2014 paper 1 . you will find this kind of problem in integer type (although easier)
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@Prakhar Bindal – I knew only MnS and BI2S3 and CuS and ZnS and PbS and HgS
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@Prince Loomba – Ohh .now you know right??
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@Prakhar Bindal – No learning all is tough
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@Prince Loomba – You have to rather . These kind of problems are pretty common for JEE Inorganic
i did not know it , just guessed it :P
N i S Black
A s X 2 S X 3 -- Yellow
S n S X 2 -- Yellow
S n S -- Brown
C u S -- Black
C o S -- Black
B i X 2 S X 3 -- Black
H g S -- Black
P b S -- Black
C d S -- Yellow
M n S -- Buff (Pink)
Z n S -- White
A g X 2 S -- Black
A s X 2 S X 5 -- Yellow
S b X 2 S X 3 -- Orange (upon heating , turns black! )
S b X 2 S X 5 -- Orange