Some Basic Concepts Of Chemistry Question 263
Question: A compound contains atoms of three elements in A, B and C. If the oxidation number of A is +2, B is +5 and that of C is ? 2, the possible formula of the compound is [CBSE PMT 2000]
Options:
A) $ A _3{{(BC _4)}_2} $
B) $ A _3{{(B _4C)}_2} $
C) $ ABC _2 $
D) $ A _2{{(BC _3)}_2} $
Show Answer
Answer:
Correct Answer: A
Solution:
$ A _3{{(BC _4)}_2} $ $ =3\times 2+{{[5+(-2\times 4)]}_2}=0 $ .
