Equivalent weight of KMnO₄ acting as an oxidant in acidic medium is [CPMT 1990; MP PET 1999]

Question: Equivalent weight of KMnO₄ acting as an oxidant in acidic medium is [CPMT 1990; MP PET 1999]

(a) The same as its molecular weight

(b) Half of its molecular weight

(c) One-third of its molecular weight

(d) One-fifth of its molecular weight

Correct Answer: (d) One-fifth of its molecular weight

More Question

1. What quantity of ammonium sulphate is necessary for the production of NH₃ gas sufficient to neutralize a solution containing 292 g of HCl ? [HCl=36.5; (NH₄)₂SO₄ =132; NH₃ =17] [CPMT 1992]
2. Haemoglobin contains 0.33% of iron by weight. The molecular weight of haemoglobin is approximately 67200. The number of iron atoms (At. wt. of Fe = 56) present in one molecule of haemoglobin is [CBSE PMT 1998]
3. In the reaction, 4NH₃(g) + 5O₂(g) → 4NO(g) + 6H₂O(g) , When 1 mole of ammonia and 1 mole of O₂ are made to react to completion
4. 2.76 g of silver carbonate on being strongly heated yield a residue weighing [Pb. CET 2003]
5. How much water should be added to 200 c.c of semi normal solution of NaOH to make it exactly deci normal [AFMC 1983]
6. How much of NaOH is required to neutralise 1500 cm³ of 0.1 N HCl (Na = 23) [KCET 2001]
7. In which of the following pairs of compounds the ratio of C, H and O is same
8. The empirical formula of an acid is CH₂O₂, the probable molecular formula of acid may be [AFMC 2000]
9. The empirical formula of a compound is CH₂O 0.0835 moles of the compound contains 1.0 g of hydrogen. Molecular formula of the compound is
10. A compound (80 g) on analysis gave C = 24 g, H = 4 g, O = 32 g. Its empirical formula is [CPMT 1981]
11. If two compounds have the same empirical formula but different molecular formula, they must have [MP PMT 1986]
12. The percentage of nitrogen in urea is about [KCET 2001]
13. The percentage of oxygen in NaOH is [CPMT 1979]
14. The number of sodium atoms in 2 moles of sodium ferrocyanide is [BHU 2004]
15. A sample of phosphorus trichloride (PCl₃) contains 1.4 moles of the substance. How many atoms are there in the sample [Kerala PMT 2004]
16. The number of molecules of CO₂ present in 44g of CO₂ is [BCECE 2005]
17. How many atoms are contained in one mole of sucrose (C₁₂H₂₂O₁₁) [Pb. PMT 2002]
18. Molarity of liquid HCl with density equal to 1.17g / cc is [CBSE PMT 2001]
19. 2g of oxygen contains number of atoms equal to that in [BHU 1992]
20. The number of moles of sodium oxide in 620g of it is [BHU 1992]
21. The number of electrons in a mole of hydrogen molecule is [CPMT 1987]
22. The number of water molecules in 1 litre of water is [EAMCET 1990]