Solve this :
Q. 0.1 mole of chromium sulphide will contain (valency of Cr = 3, valency of sulphide = -2):
a) 0.1g atom of Cr+3 and 0.2g atom of S-2
b) 0.1g atom of Cr+3 and 0.1g atom of S-2
c) 0.2g atom of Cr+3 and 0.3g atom of S-2
d) 0.3g atom of Cr+3 and 0.3g atom of S -2
The answer is (c) as according to question, if we see this equation the answer is c
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