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Hydrogen peroxide in aqueous solution de...

Hydrogen peroxide in aqueous solution decompose on warming to give oxygen according to the equation `2H_2 O_2 ("aq.") to 2H_2 O(I) + O_(2) (g)` under conditions where one mole of gas occupies 24 `dm^3, 100 cm^3` of X M solution of `H_2 O_2` produces 3 `dm^3` of `O_2`. X is thus:

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Objective question . i. A certains compound has the molecular formula X_(4) O_(6) . If 10 g of X_(4) O_(6) has 5.72 g X , then atomic mass of X is: a. 32 amu b. 42 amu c. 98 amu d. 37 amu ii. For 109% labelled oleum, if the number of moles of H_(2)SO_(4) and free SO_(3) be p and q , respectively, then what will be the value of (p - q)/(p + q) a. 1//9 b. 9 c. 18 d. 1//3 iii. Hydrogen peroxide in aqueous solution decomposes on warming to give oxygen according to the equation, 2H_(2) O_(2) (aq) rarr 2 H_(2) O (l) + O_(2) (g) Under conditions where 1 mol gas occupies 24 dm^(3), 100 cm^(3) of X M solution of H_(2) O_(2) produces 3 dm^(3) of O_(2) . Thus, X is a. 2.5 b. 0.5 c. 0.25 d. 1 iv. 4 g of sulphur is burnt to form SO_(2) which is oxidised by Cl_(2) water. The solution is then treated with BaCl_(2) solution. The amount of BaSO_(4) precipitated is: a. 0.24 mol b. 0.5 mol c. 1 mol d. 0.125 mol v. A reaction occurs between 3 moles of H_(2) and 1.5 moles of O_(2) to give some amount of H_(2) O . The limiting reagent in this reaction is a. H_(2) and O_(2) both b. O_(2) c. H_(2) d. Neither of them vi. 4 I^(ɵ) + Hg^(2+) rarr HgO_(4)^(-) , 1 mole each of Hg^(2+) and I^(ɵ) will form: a. 1 mol of HgI_(4)^(2-) b. 0.5 mol of HgI_(4)^(-2) 0.25 mol of HgI_(4)^(2-) 2 mol of HgI_(4)^(-2)

Hydrogen peroxide in aqueous solution decomposes on warming to give oxygen according to the equation 2H_(2)O_(2)(aq)rarr2H_(2)O(l)+O_(2)(g) under conditions where 1 mole of gas occupies 24 dm^(3) . 100cm^(3) of XM solution of H_(2)O_(2) produces 3 dm^(3) of O_(2) . Thus, X is :

An aqueous solution of H_(2)O_(2)

How is an aqueous solution of hydrogen peroxide concehtrated to get 100% pure H_(2)O_(2) ?

In the reaction, 2 KI + H_2 O + O_3 rarr 2 KOH + O_2 + A The compound A is

H_2 + O_2 gives

2H_(2) O_(2) (l) rarr 2H_(2)o(l) + O_(2) (g) 100 mL of X molar H_(2)O_(2) gives 3L of O_(2) gas under the condition when 1 moe occupies 24 L . The value of X is

Use equation 2H_(2)O(l) to 2H_(2)(g) to answer the following What volume of O_(2) will be produced if the volume of H_(2) produced is 2500 cm^(3) under similar conditions?

Hydrogen and oxygen combine to form water according to the following equation: 2H_(2)+O_(2) to 2H_(2)O . A mixture of 22.4 L of H_(2) and 22.4 L of O_(2) at 100^(@)C is ignited. Calculate the volume of steam produced.

Decompoistion of hydrogen peroxide, 2H_(2)O_(2) rarr 2H_(2)O + O_(2) is a …………. .

ALLEN- CONCENTRATION TERMS-Exercise S - I
  1. The concentration of Ca (HCO(3))(2) in a sample of hard water is 405 p...

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  2. 0.115 gm of sodium metal was dissolved in 500 ml of the solution in di...

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  3. How much BaCl(2) would be needed to make 250 mL of a solution having s...

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  4. Calculate molality (m) of each ion present in the aqueous solution of ...

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  5. 1200gm aqueous solution contains 200gm calcium bromide (CaBr(2)). Ca...

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  6. Find out the volume of 98% w/w H(2)SO(4) (density = 1.8 gm/ml), must b...

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  7. Volume of dil. HNO(3)(D=1.1gm//ml,20%3//3) that can be prepared by dil...

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  8. 500 ml of 2M NaCl solution was mixed with 200 ml of 2 M NaCl solution....

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  9. Calculate the amount of the water which must be added to 2 ml of a sol...

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  10. A mixture containing equimolar amounts of Ca(OH)(2) and Al(OH)(3) requ...

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  11. 500 gm of urea solution of mole fraction 0.2 is diluted to 1500 gm. Ca...

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  12. When V ml of 2.2 M H(2)SO(4) solution is mixed with 10 V ml of water, ...

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  13. What volume (in ml) of 0.8M AlCl(3) solution should be mixed with 50...

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  14. A solution containing 200 ml 0.5 M KCl is mixed with 50 ml 19% w/v MgC...

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  15. 100mL, 3% (w/v) NaOH solution is mixed with 100 ml, 9% (w/v) NaOH so...

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  16. An oleum sample is labelled as 118%, Calculate Mass of H(2)SO(4) in ...

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  17. A mixture is prepared by mixing 10 gm H(2)SO(4) and 40 gm SO(3) calcul...

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  18. 500 ml of a H(2)O(2) solution on complete decomposition produces 2 mol...

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  19. Hydrogen peroxide in aqueous solution decompose on warming to give oxy...

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  20. The volume strength (at STP) of 100 ml H2O2 solution which produce 5...

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