D-And F-Block Elements Ques 305
Question: Of the ions
[atomic number of
Options:
A) Only
B) All three are colourless
C) All three are coloured
D) Only
Show Answer
Answer:
Correct Answer: A
Solution:
But
[atomic number of
A) Only
B) All three are colourless
C) All three are coloured
D) Only
Correct Answer: A
But
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