Number of moles of MnO₄⁻ required to oxidize one mole of ferrous oxalate completely in acidic medium will be
Options
(a) 0.6 moles (b) 0.4 moles (c) 7.5 moles (d) 0.2 moles
Correct Answer: […]
What is the [OH⁻] in the final solution prepared by mixing 20 mL of 0.05 M Hcl with 30 mL of 0.1 M Ba(OH)₂?
Options
(a) 0.4 M (b) 0.005 M (c) 0.12 […]
Equal volumes of 0.1 M AgNO₃ and 0.2 M NaCl are mixed. The concentration of NO₃⁻ ions in the mixture will be
Options
(a) 0.1 M (b) 0.05 M (c) 0.2 M (d) […]
6.02 x 10²° molecules of urea are present in 100 mL of its solution. The concentration of the solution is
Options
(a) 0.01 M (b) 0.001 M (c) 0.1 M (d) 0.02 M
The number of moles of KMnO₄ that will be needed to react with one mole of sulphite ion in acidic solution is
Options
(a) 4/5 (b) 2/5 (c) 1 (d) 3/5
Correct Answer:
2/5
The equivalent weight of phosphoric acid(H₃PO₄) in the reaction, NaOH + H₃PO₄ → NaH₂PO₄ + H₂O is
Options
(a) 59 (b) 49 (c) 25 (d) 98
Correct Answer:
98
Explanation:
NaOH + H₃PO₄ […]
What is the equivalent weight of SnCl₂ in the following reaction, SnCl₂+Cl₂→ SnCl₄?
Options
(a) 95 (b) 45 (c) 60 (d) 30
Correct Answer:
95
Explanation:
Equivalent weight of SnCl₂= mol. wt./2 = […]
0.037g of an alcohol, R-OH was added to C₂H₅Mgl and the has evolved measured 11.2cc at STP. The molecular mass of R-OH will be
Options
(a) 47 (b) 79 (c) 77 (d) 74
The equivalent weight of H₃PO₂, when it disproportionates into PH₃ and H₃PO₃ is
Options
(a) 82 (b) 61.5 (c) 41 (d) 20.5
Correct Answer:
61.5
Explanation:
No explanation available. Be the first to […]
If the equivalent weight of an element is 32, then the percentage of oxygen in its oxide is
Options
(a) 16 (b) 40 (c) 32 (d) 20
Correct Answer:
20
Explanation:
Equi. Wt […]
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