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What is the percentage of chlorine in a ...

What is the percentage of chlorine in a good sample of bleaching power?

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`35-38%`
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What is the maximum percentage of available chlorine in a sample of bleaching powder ?

Calculate the percentage of available chlorine in a given sample of bleaching powder from the following data : 3.55 g of bleaching powder when treated with acetic acid and excess of KI liberated iodine which required 60 mL of 0.5 N sodium thiosulphate solution.

The percentage of available chlorine in a commercial sampleof bleaching powder is

Calculate the percentage of available chlorine in a sample of 3.55g of bleaching powder which was dissolved in 100mL of water. 25mL of this solution, on treatment with KI and dilute acid, required 20 mL of 0.125 N sodium thiosulphate solution.

0.71 g of a sample of bleaching powder (CaOCl_2) is dissolved in 100 " mL of " water. 50 " mL of " this solution is titrated with KI solution. The I_2 so liberated required 10 mL 0.1 M Na_2S_2O_3 (hypo) solution in acidic medium for complete neutralisation. Calculate the percentage of available Cl_2 from the sample of bleaching power.

Bleaching power is a mixed salt of hydrochloric acid and hypochlorious acid. It has the formula, CaOCI_(2).H_(2)O . It is manuafactured by the action of chlorine on dry slaked lime at 40^(@)C . There is also a view that bleaching power is a mixture [Ca(OCI)_(2)+CaCI_(2).Ca(OH)_(2).H_(2)O] . The amount of chlorine obtained form a sample of bleching power by the treatement with excess of dilute acids or CO_(2) is called a available chlorine. A good sample of bleaching power constains 35-38% of available chlorine. On long standing, it undergoes auto-oxidation and the amount of acvailable chlorine decreases. The estimation of available chlorine is done volumetrically by (a) iodometric method or by (b) aresenite method. In textile industry, the cotton cloth is mainly bleached with the help of bleaching power. The percentage of available chlorine in commercial samples of bleaching poweder is usually between 35% and 38% . The low value is due to

Bleaching power is a mixed salt of hydrochloric acid and hypochlorious acid. It has the formula, CaOCI_(2).H_(2)O . It is manuafactured by the action of chlorine on dry slaked lime at 40^(@)C . There is also a view that bleaching power is a mixture [Ca(OCI)_(2)+CaCI_(2).Ca(OH)_(2).H_(2)O] . The amount of chlorine obtained form a sample of bleching power by the treatement with excess of dilute acids or CO_(2) is called a available chlorine. A good sample of bleaching power constains 35-38% of available chlorine. On long standing, it undergoes auto-oxidation and the amount of acvailable chlorine decreases. The estimation of available chlorine is done volumetrically by (a) iodometric method or by (b) aresenite method. In textile industry, the cotton cloth is mainly bleached with the help of bleaching power. Maximum percentage og available chlorine on the basis of CaOCI_(2).H_(2)O formula is

Bleaching power is a mixed salt of hydrochloric acid and hypochlorious acid. It has the formula, CaOCI_(2).H_(2)O . It is manuafactured by the action of chlorine on dry slaked lime at 40^(@)C . There is also a view that bleaching power is a mixture [Ca(OCI)_(2)+CaCI_(2).Ca(OH)_(2).H_(2)O] . The amount of chlorine obtained form a sample of bleching power by the treatement with excess of dilute acids or CO_(2) is called a available chlorine. A good sample of bleaching power constains 35-38% of available chlorine. On long standing, it undergoes auto-oxidation and the amount of acvailable chlorine decreases. The estimation of available chlorine is done volumetrically by (a) iodometric method or by (b) aresenite method. In textile industry, the cotton cloth is mainly bleached with the help of bleaching power. On long standing, the bleaching power undergoes auto-oxidation. The products formed are

CENGAGE CHEMISTRY-APPENDIX INORGANIC VOLUME 2-Short Answer Type
  1. Which halogen has the largest atomic size?

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  2. Which oxide of chlorine is paramagnetic?

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  3. What is the percentage of chlorine in a good sample of bleaching power...

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  4. Why halogens are very reactive?

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  5. Why fluorine is most reactive?

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  6. Why chlorine does not bleach in the absence of moisture?

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  7. What happens when fluorine gas is passed through water?

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  8. What is the hydridisation of O in Cl2O?

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  9. Which of the following is the only exothermic oxide of chlorine?

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  10. Give examples of paramagnetic oxide of chlorine.

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  11. Give the name of least stable and most stable oxides of chlorine.

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  12. Arrange oxyanions of chlorine in decreasing order of stability.

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  13. Arrange hypohalous acids in decreasing order of acidic nature.

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  14. Arrange hypohalous acids in decreasing order of stability.

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  15. Arrange hypohalous acids acids in decreasing order of oxidising nature...

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  16. What is the order of polarising nature of noble gases?

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  17. What is the order of boiling point of noble gases?

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  18. What is the order iof ionisation enthalpy values of noble gases?

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  19. State the hydridisation of central atom in XeF2 and XeF4 molecules.

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  20. State the total number of electron pairs surrounding the central atom ...

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