TN Plus One Chemistry Annual Exam 2022 Question paper with Answer Key

[Thirumagan]

• Which one of the following is incorrect statement ?
  

(a)    presence of catalyst affects both the forward reaction and reverse reaction
to the same extent.
(b)    for a system at equilibrium Q is always less than the equilibrium constant.
©Â Â   equilibrium constant varies with temperature.
(d) equilibrium can be attained from either side of the reaction.

• Spodumene is the mineral source for which of the following alkali metal?
  

(a) Lithium    (b| Sodium   © Rubidium (d) Potassium

• A bottle of ammonia and a bottle of HC1 connected through a long tube are opened simultaneously at both ends. The white ammonium chloride ring will be first formed :
  

(a)    near the ammonia bottle
(b)    at the centre of the tube
©Â Â   throughout the length of the tube
(d)    near the hydrogen chloride bottle

• Define Gram equivalent mass
  
• Explain sign convention of heat
  
• Define Electron affinity.
  
• How will you prepare the following compounds from benzene
  (i)   nitrobenzene
  (ii)  benzene sulphonic acid
  (iii) BHC
  

These are some sample questions taken from TN Plus One Chemistry Annual exam question paper 2022.
Detailed question paper with answer key can be had from the links below.