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10 g of a metal gives 14 g of its oxide....

10 g of a metal gives 14 g of its oxide. The equivalent mass of its oxide and hydroxide will be respectively

A

20 and 37

B

28 and 37

C

56 and 74

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Equivalent mass of metal `= (10)/((14-10)) xx 8=20 g`
Hence, equivalent mass of metal oxide = Eq mass of metal + equivalent mass of oxygen = 20 +8=28
Equivalent mass of hydroxide = Equivalent mass of metal + Equivalent mass of `OH^(-)` = 20+ 17 = 37
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