പത്തു്‌ -

DEGREE EXAMINATION, NOVEMBE
(CUCBCSS-UG)

Chemistry
CHE 5B 06—INORGANIC CHEMISTRY—HI

FIFTH SEMESTER Rg, R 2018

|
த

Time : Three Hours Maximum : 80 Marks

|
F
|
]

Section A

Answer all questions.
Each question carries 1 mark.

Which is the most common isotope of Hydrogen ?
Diborane on hydrolysis yields

Formula of Bleaching powder is

Example of an Orthosilicate is
Silicon rubbers are also known as

Maddrell’s salts are polymetaphosphates of

The element which consume a pollutant are known as

Formula of Paraperiodic acid is

Name a green house gas.

CO ANA AP ww ‏ہر‎

عم
@

. Structure of AICI, is
1 (10 x 1 = 10 marks)

Section B

Answer any ten questions.
Each question carries 2 marks.

1 1. Discuss the structure of Diborane.

12, Beryllium shows covalency whereas other members of the family show electrovalency.
Write S.N. on BOD.
Define solubility product with an example.
escription of oxoacids of Nitrogen, `

ogens and give their electronic configuration,

13.
14.
` 15.

16.
17. Discuss the *

5 Give a prief d

Name the Hal ரு
tructure of CIF’.