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4361

127g of sodium chloride was dissolved in 1.0dm\(^3\) of distilled water at 25\(^0\)C . Determine the solubility in moldm\(^{-3}\) of sodium chloride at that temperature. [Na = 23, Cl = 35.5] 

  • A. 1.0
  • B. 2.0
  • C. 2.2
  • D. 4.1
View Answer & Discuss (3) JAMB 2024
4362

The quantity of electricity required to deposit 180g of Ag from a molten silver trioxonitrate(V) is

[Ag = 108]

  • A. 1.08F
  • B. 3.30F
  • C. 1.67F
  • D. 1.80F
View Answer & Discuss JAMB 2024
4363

What would be the order of the electrolytic cell in an industry intending the production of silver plated spoons?

  • A. Cathode is the spoon; anode is a silver rod; electrolyte is a soluble silver salt
  • B. Cathode is a silver rod; anode is the spoon; electrolyte is a soluble silver salt
  • C. Cathode is the spoon; anode is any rod; electrolyte is a soluble silver salt
  • D. Cathode is any rod; anode is the spoon; electrolyte is a soluble salt
View Answer & Discuss (20) JAMB 2024
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4364

The table above shows the formulae of some ions. In which of these compounds is the formula not correct?

  • A. Aluminiumtetraoxosulphate(VI), Al\(_2\)(SO\(_4\))\(_3\)
  • B. Calciumtrioxonitrate(V), Ca(NO\(_3\))\(_2\)
  • C. Iron(III)bromide, Fe\(_3\)Br
  • D. Potassiumsulphide, K\(_2\)S
View Answer & Discuss (2) JAMB 2024
4365

The pH of a 0.001 mol dm\(^{-3}\) of  H\(_2\)SO\(_4\) is 

[Log\(_{10}\)2 = 0.3]

  • A. 2.7
  • B. 3.0
  • C. 3.3
  • D. 2.0
View Answer & Discuss (4) JAMB 2024
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