New Technology- Expressed Differently

Section- A
a) Answer all the Questions.
b) Each question carries 2 marks.

1) Define coordinate number. What is the coordination number in a bcc lattice.
2) What is the crystal structure of an orange colored oxidizing agent used in the lab?
3) a) State law of mass action?
b) Write the relation between KP and Kc?
4) Name the oxacids of chlorine and give the oxidation. State of chlorine in them.
5) What are the oxocompunds of flourine? Give their formulae?
6) Famous salts are more unstable compared to ferric salts. Explain in terms of their configurations.
7)What is PHBV? How is it useful to man ?
8) What is Williamson's synthesis? Give the equation ?
9) Write the common and IUPAC names of CH3-CH=CH-CHO.
10) What are artificial sweetening agents? Give examples.
Section- B

a) Answer any six Questions.
b) Each Question Carries four marks.

11) State and explain Rault's law.
12) State and explain Kohlrausch law.
13) Write any four different between True solutions and colloidal solutions.
14) Sate and explain first laq of thermodynamics.
15) Explain the construction of blast furnace with a neat diagram.
16) How do you explain colour of complex ions in terms of d-electrons.
17) Explain DNA finger printing.
18) Explain preparation of ethyl alcohol from starch.


Section - C

a) Answer any two Questions.
b) Each Question Carries 8 marks.

19) Define rate of chemical relation and explain the factors that effect the rate of reaction?
20) How is ozone prepared by brodies method? Write any four oxidizing properties of O3 with equations.
21) a) How do you prepare chloroform from Ethyl alcohol and aceton? Write the equations.
b) How chloroform reacts with
a) Hno3 Vapours
b) Metallic Silver?
c) Acetone in the presence of Roh
d) Phenol in the presence of Naoh

Chemistry - Intermediate 2nd year Model/ Sample Paper - 2010