Q5 of 47 Page 1

Why is chloroform kept in dark coloured bottles?

Chloroform is slowly oxidised by air in the presence of light to an extremely poisonous gas, carbonyl chloride, also known as phosgene. It is therefore stored in closed dark coloured bottles completely filled so that air is kept out.


More from this chapter

All 47 →
3

Write IUPAC name of the complex [Co(en)2 (H2O) (CN)]2+.

OR


Using IUPAC norms, write the formula of Ammonium tetrafluoridocobaltate(II).


 4

What is the difference between a glycosidic linkage and a peptide linkage?

OR


What is the difference between Nucleotide and Nucleoside?


 6

What happens when AgCl is doped with CdCl2? What is the name of this defect?

OR


What type of defect is shown by NaCl in


a. stoichiometric defects, and


b. non-stoichiometric defects?


 7

a. Out of 0.1 molal aqueous solution of glucose and 0.1 molal aqueous solution of KCl, which one will have higher boiling point and why?

b. Predict whether van’t Hoff factor, (i) is less than one or greater than one in the following :


i. CH3COOH dissolved in water


ii. CH3COOH dissolved in benzene