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MHTCET 2016 Chemistry Solved Paper
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© examsnet.com
Question : 32
Total: 50
Identify the metal that forms colourless compounds.
Iron (Z= 26)
Chromium (Z=24)
Vanadium (Z = 23)
Scandium (Z = 21)
Validate
Solution:
(d) For scandium (Z= 21) Electronic configuration is
4
s
23
d
1
. After the removal of 3 electrons; (
S
c
3
+
), acquires a stable configuration (
4
s
0
d
0
).
Hence, it forms colourless compounds.
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