Mole ConceptHard
Question
Iron forms two oxides. If for the same mass of iron, the mass of oxygen combined in the first oxide is two-third of the mass of oxygen combined in the second oxide, then the ratio of valency of iron in first and second oxide is
Options
A.1:1
B.2:3
C.3:2
D.2:5
Solution
Let the oxides be Fe2Ox and Fe2Oy. From question, $x \times 16 = \frac{2}{3} \times y \times 16 \Rightarrow x:y = 2:3$
Create a free account to view solution
View Solution FreeMore Mole Concept Questions
An amount of 0.3 mole of SrCl2 is mixed with 0.2 mole of K3PO4. The maximum moles of KCl which may form is...A volume of 10 ml of a mixture of H2 and O2 is exploded. If the final volume becomes 1 ml, the composition of original m...Nine volumes of gaseous mixture consisting of gaseous organic compound A and just sufficient amount of oxygen required f...The mass of CO2 that must be mixed with 20 g of oxygen such that 27 ml of a sample of the resulting mixture would contai...A 2 m long tube closed at one end is lowered vertically into water until the closed end is flushed with the water surfac...