Chemistry Questions

1. In the brown ring test, the brown colour of the ring is due to

KCET 2008 The p-Block Elements - Part2

5. (CH$_3 )_3$CMgCl on treatment with D$_2O$ produces

IIT JEE 1997 Haloalkanes and Haloarenes

6. $CH_3CH_2OH$ is converted into $CH_3CHO$ in the presence of

Punjab PMET 2005 Alcohols Phenols and Ethers

10. Which one of the following is an antihistamine?

JIPMER 2015 Chemistry in Everyday Life

11. Identify the correct order of solubility in aqueous medium :

NEET 2013 The d-and f-Block Elements

12. Which of the following compounds are optically active?

AIIMS 2012 Haloalkanes and Haloarenes

15. A cross-linked polymer is

JIPMER 2014 Polymers

19. A basic lining is given to a furnace by using

KCET 1997 General Principles and Processes of Isolation of Elements

21. Which of the following is not hygroscopic?

AIIMS 2011 The s-Block Elements

24. The length of C – C bond in benzene is

AIIMS 2002 Hydrocarbons

26. Sucrose is NOT a reducing sugar since

KCET 2012 Biomolecules

28. The paramagnetic nature of oxygen molecular is best explained on the basis of

Maharashtra CET 2006 Chemical Bonding and Molecular Structure

29. During extraction of aluminium from bauxite,

JIPMER 2015 General Principles and Processes of Isolation of Elements