www.mpbse.nic.in Madhya Pradesh : Chemistry Model Question Paper 12th Std / +2 / Plus Two

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Document Described : Chemistry Question Paper, Madhya Pradesh Question Paper

Chemistry
Class XII
Marks : 75

1. All questions are compulsory
2. From question no. 1 to 4 are objective in nature and each carry one mark.
3. There is internal choice in each question from 5 to 17.
4. 4 marks are alloted from question 5 to 14 and 5 marks alloted from 15 to 17.
5. Limit of answers for 4 marks is approxmately 75 words and for 5 marks upto 100 words.

http://mpbse.nic.in/Model%20Que-Ans%20paper.htm
http://mpbse.nic.in/12TH/chemistry/chemistry-1.pdf

Fill in the blanks :-
(i) Unit of specific conductivity is .................... .....................
(ii) The mixture of Benzene and Toluene is a ........... solution
(iii) Saporication reaction is an example of .... order of reaction
(iv) The atomic number of Florine is ...........................................
(v) Molecularity is always a .......................................................

Write answer in one sentene :
(i) Moment of particles of colliodes is called?
(ii) The decomposition of Hydrogen peroxide by Phospbhoric
acid represents which kind of Catalyst?
(iii) Write the name of device containing an Adsorbant which
adsorbs poisonous gases from the atmosphere.
(iv) d-blocks elements are called ?
(v) Give one name to fifteenth group of elements.
Write the correct answer from the given options provided in every objective type question.
Best conductor of electricity is -
(i) Diamond (ii) Graphite (iii) Silicon (iv)
Amorphous Carbon
CuSO4 . 5H2O also known as -
(i) Green Vitrol (ii) Blue Vitrol
(iii) White Vitrol (iv) Gypsum
C. Which is the example of 8:8 coordination in following
D. Metal present in Vitamin B12 is
Possible number of primary Amine isomers of formula C3H9N is
Make the correct pair from Column "A" choosing from
Column "B" A B
Aniline Ionic Crystal
Milk ZnS
NaCl Emulsin
Frankel defect C6H5N2Cl
Diazonium salt C6H5NH2
Covalent crystal
Form
What do you mean by order of a reaction?
Describe any four factors affecting rate of reaction
(i) NaOH foy;u
(ii) NH4OH
(iii) KI foy;u
(iv) KCN
Write the chemical equation only when CuSO4reacts with the following regents
(i) NaOH Solution
(ii) NH4OH
(iii) KI Solution
(iv) KCN
(OR)
Write the name and chemical formula of two ores of each of copper and Iron ?
Draw a labelled diagram for the manufacture of NH3 by Haber's
process and write equation of the reaction taking place.
Compare any four the properties of red phosphorus with white phosphorus.
Give four uses of Bleaching powder
(OR)
Decolorization of flowers by SO2 is temporary while chlorine decolorize them permanent why ?
Explain four main postulates of werner's theory of co-ordination compound.
(OR)
Explain following
(i) Ionization Isomerism.
(ii) Uses of organo metallic compound.
Write only the equation for following chemical reaction.
(i) Sand Meyer reaction
(ii) Hunsdicker reaction
(iii) Carbyl amine reaction
(iv) Wurtz reaction
What happens when -
(i) Ethyl bromide reacts with silver nitrite in presence of alcohol
(ii) CHCl3 react with HNO3
(iii) CHCl3 exposed in moist air and sunlight.
(iv) CHCl3 heated with Ag powder.
(i) Differentiate phenol and alcohol (Any four)?
OR
(ii) Draw labelled diagram of Lab. method of ether and write
chemical reaction only.
Write four uses of formadehyde.
Write followwing reactions (only equation)
(i) Parkin's reaction
(ii) Rojanmund reaction
What are carbohydrates ? Give their any two functions
(OR)
What are vitamins ? Mention diseases caused by deficiency of
vitamin A, C.
Write the short notes on the following
(i) Acharya Charak
(ii) Detergent
(OR)
Write the short notes on the following
(i) Opium
(ii) Artificial sweeteners
(i) Transition metals have tendency to form complex
compound why ?
(ii) Give the method for the preparation of pottassium permaganate with equation from pyrolusite are
(OR)
Compare any 5 points betwen lanthanides and actinides
Define rault's law and state it limitations.
(OR)
(i) Explain Osmosis and Osmotic pressure ?

Find the concentration of glucose solution which is isotonic of 6.0 = gm/ltr. Urea solution (Molecular weight of glucose is = 180 and molecular weight of Urea is = 60.)
What is Kohlrausch's law ? give applications of Kohlrausch's law
(OR)
What is corrosion ? Describe electrochemical theory of corrosion.

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