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`        1.6 g of Ca and 2.60 g of Zn when treated with an acid in excess separately, produced the same amount of hydrogen. If the equivalent weight of Zn is 32.6, what is the equivalent weight of Ca?A) 10.          B) 20.          C) 40.         D) 5 .  `
one year ago

Arun
24498 Points
```							Let’s assume Zn and Ca is treated with Hydrochloric acid.Zn + 2HCl = ZnCl2 + H2According to reaction, 32.6 g of Zn gives 2 g of Hydrogen gas.That means 2.6 g of Zn would give 2 X 2.6/32.6 = 0.16 g of Hydrogen gasSame amount of hydrogen gas (0.16 g) is produced from Ca when treated with acid (HCl)Ca + 2HCl = CaCl2 + H2According to reaction, 1 equivalent of Ca would give 2 g of hydrogen gas.And we know that, 1.6 g of Ca gives 0.16 g of hydrogen gas.Then, the equivalent weight of Ca is 1.6 X 0.16\2 = 20Equivalent weight of Ca is 20.
```
one year ago
18 Points
```							Will you please explain how did you come to the conclusion that 32.6 g of Zn gives 2 g of hydrogen gas?
```
one year ago
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• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions