cgbse.nic.in : HSC Chemistry Question Paper Sample Chhattisgarh Board Of Secondary Education
Board : Chhattisgarh Board Of Secondary Education
Exam :HSC Chemistry
Document type : Sample Question Paper
Website : cgbse.nic.in
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Chemistry Question Paper :
Higher Secondary School Certificate Examination
SAMPLE PAPER Chemistry
Related : Chhattisgarh Board Of Secondary Education HSC Physics Question Paper Sample : www.pdfquestion.in/5988.html
Instruction :
Attempt all the Question
** Q. No. 01 Carries 10 Marks. There are two sub-section, Section A is Multiple choice carries 05 marks and section B is fill in the blanks or match the column carries 05 marks.
** Q. No. 2 to 06 are very short answer type question & it carries 02 marks each. Word limit is maximum 30.
** Q. No. 07 to 10 are short answer type question & it carries 03 marks each. Word limit is maximum 50.
** Q. No. 11 to 14 are short answer type question & it carries 04 marks each. Each question has internal choice. Word limit is maximum 75.
** Q. No. 18 to 19 are long answer type question & it carries 05 marks each. Each question has internal choice. Word limit is maximum 150.
1. Molecule/ion which shows sp3d3 hybridization –
(a) XeF4 (b) SF6 (c) XeF6 (d) [Cr(NH3)6]3+
2. Symmetry in Match Box is –
(a) Cubic (b) Orthorhombic (c) Tetragonal (d) Monoclinic
3. Factor which effect Degree of ionisation is –
(a) infinite dilution (b) Nature of solvent (c) nature of electrolyte (d) temperature
4. Whcih one of the following gas is not present in atmosphere –
(a) Ne (b) Rn (c) Ar (d) He
5. Farmic acid is –
(a) non missible with water. (b) reduces to ammonical silver nitrate solution
(c) thrise weak in comparison of acetic acid (d) obtain on heating KOH.
(B) Fill in the blanks :
1. Stability of NO+ is …………….. from NO.
2. Fluorine gas is kept in the ……………. vessel.
3. …………… is used as an anaesthetics.
4. The monomer of Teflon polymer is ……………..
5. The nature of aquous solution of FeCl3 is ………………….
Define mass defect.Write the name and formulae of two ores of fluorine.
Write Gabriel’s phathalimide reaction.
Write the name of any two antibiotics drugs.
Write any three differences between bonding and Anti-bonding molecular
What is coordination number – Write the name of coordination number
Compare the basic properties of aliphatic amine, aromatic amine and
Write any three uses of Nuclear fission.
Determine the molecular mass of a non volatile solute with the help of
Determine the moleculr mass of non volatile solute with the help of depression
Prove that non exp ansion G W – — =
Write any four differences betwen physical adsorption and chemical
Write any four differences between Lyophilic and Lyophobic colloids.
Write the structural formulae of the following compounts –
1. Pot. ferr. (III) cyanide2. Pot. Di cyano argentate (I)
3. Tetra Cyano Nickelate (II) ion4. Tetra carbonyl Nickle (O)
(1) Calculate the Eº of the following cell –
(2) Write any two differences between Galvanic cell and Electrolytic cell.
Set – B
1. Bonding electrons in 2 O– are – (a) 4 (b) 6 (c) 8 (d) 10
2. Amorphous solid is – (a) graphite (b) monocline sulphur (c) glass (d) white tin
3. Ostwald law is applicable on which type of electrolyte solutions –
(a) Strong electrolyte (b) Weak electrolyte (c) A and B both (d) None of them
4. Freyon is – (a) CCl2F2 (b) CCl3F3 (c) CF4 (d) None of the above
5. Which compund not gives Idoform test –
(a) CH3CHO (b) C2H5OH (c) C6H5 COCH3 (d) C6H5 CH2CH2OH
(B) Fill in the Blanks :
1. The value of PKw for water at 25ºC is …………………
2. From lack of iodine in diet …………………. disease.
3. Farmaldehyde converted into …………… to keep opened for a long time.
4. The penicillin was discovered by ……………………
5. Oxygen molecule in nature is ………………
1. Define buffer solution. Write one example of acidic buffer solution.
2. What is Group displace law? explain it.
3. Write the name and chemical formulae of two oxy-acids of chlorine.
4. What is Hofmann’s mustard oil Reaction?
5. Write the name and chemical formulae of any two antipyretic medicines.
6. An element’s Structure is BCC. How many atoms are in an unit cell of it?
7. What is bond order? Calculate the bond order of N2 molecule.
8. Write any three differences between alkyl cyanide and alkyl iso-cynide.
9. Write any three uses of radio-activity.
10. Determine the molecular mass of a non volatile solute with teh help of elevation of boiling point.
11. Determine the moleculr mass of non volatile solute with the help of depression in freezing point.