4g of copper was dissolved in conc. Nitric acid. The copper nitrate so obtained on strong heating gave 5 g of its oxide. The equivalent weight of copp

Question

4g of copper was dissolved in conc. Nitric acid. The copper nitrate so obtained on strong heating gave 5 g of its oxide. The equivalent weight of copp

4g of copper was dissolved in conc. Nitric acid. The copper nitrate so obtained on strong heating gave 5 g of its oxide. The equivalent weight of copper is
A. `23`
B. `32`
C. `12`
D. `20`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
4g of copper gives 5 g of its oxide
`:.` 4 g of copper combines with 1 g of oxygen
`:.` Mass of copper that combines with 8g of oxygen `8xx4=32`
`:.` Eq. mass of copper = 32

5 views Answered 2023-02-05 15:29