(Download) CBSE XII Chemistry Sample Paper 2012 Set-II

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Sample Paper – 2012
Class – XII
Subject – Chemistry

1. What causes Brownian movement in a colloidal solution?

2. Write the IUPAC name of the following organic compound. CH3-O-CH2-CH(OH)-CH2-CH3

3. Arrange the following compounds in an increasing order of acidic strengths: CH3CH2CH(Br)COOH, CH3CH(Br)CH2COOH, (CH3)2CHCOOH, CH3CH2CH2COOH.

4. Write chemical equation when PtF6 and xenon are mixed together.

5. What is the use of SO2 formed during the roasting of Sulphide ores?

6. Mention a large scale use of the phenomenon called reverse osmosis?

7. Write an example of a neutral molecule which is Isoelectronic with ClO-.

8. Write structural formula of 2,3-dichloropentane. State whether it is optically active or not.