1) The document provides a chemistry exam for Class XII students with three sections - multiple choice questions, short answer questions, and descriptive answer questions. 2) The multiple choice section contains 16 questions testing concepts across the chemistry curriculum. 3) The short answer section contains 8 questions requiring students to provide explanations, equations, or names for various chemistry concepts. 4) The descriptive answer section provides 3 essay questions where students must explain processes, properties, or reactions in fuller detail. The exam aims to comprehensively test students' understanding of chemistry.

1. CAREER COACHING CENTRE XII - CHEMISTRY
PREPARED BY: For Suggestion & Criticism
M U H A M M A D F A I S A L Y A S E E N m f a i s a l _ e d u @y a h o o . c o m
M.Sc. (APPLIED CHEMISTRY) - KU Page 1 of 3
MBA- IoBM (CBM)
CAREER COACHING CENTRE
GRAND TEST EXAMINATION 2018
Class: XII – A2, A3 & B2 Max Mark: 16
Paper: Chemistry Time Allowed: 20 Min
SECTION ‘A’ (MCQ’s)
1. Nitric acid is frequently transported in containers made up of __________.
a. Iron b. Glass c. Aluminium d. Copper
2. Each carbon in Diamond is ___________ hybridized.
a. sp b. sp
2
c. sp
3
d. None of these
3. Element having atomic no 29 belong to:
a. 3
rd
Period, I-A Group c. 3
rd
Period, II-A Group
b. 4
th
Period, I-A Group d. 4
th
Period, II-A Group
4. Caustic soda is used fusing material when bauxite contain major impurity / impurities is/are:
a. Iron oxide b. Silica c. both a & b d. Dust particles
5. The diagram shows the positions of four elements in the periodic table. Which element gains electrons to form
negatively charged ions ?
I II III IV V VI VII VIII
A
D C B
6. The diagram shows the structures of two forms of carbon.
Which set of data is correct for these two structures ?
Conducts Electricity Very hard material Can be used as lubricants
A
B
C
D
T
S
S
T
T
T
S
S
S
S
T
T
7. There are ___________ non-bonding electrons present in water molecule:
a. 4 b. 3 c. 2 d. 1
8. The Oxidation no of Fe in Na3[Fe(CN)5 NO] is:
a. -6 b. +6
c. +2 d. +3
9. The mixture of Al(NO3)2 and Al Powder is called:
a. Ammonal c. Aluminium Bronze
b. Alum d. Duralumin
10. The acid is used for etching of glass is
a. HCl b. HF c. HBr d. All of these
11. Stainless steel is an alloy of:
a. Fe, Cr & Ni b. Al, Cu & Ni
c. Al, Cr & Zn d. Fe, Cu & Al
12. EDTA is this type of Ligand:
a. Monodentate b. Bidentate c. Tetradentate d. Hexadentate
13. Royal water is a mixture of:
a. Two Acids b. Three Acids c. Two Bases d. Three Bases
14. Kipp’s Apparatus is used to prepare:
a. SO2 b. H2S c. HCl d. Cl2
15. N2 liquifies at this temperature:
a. -196
o
C b. -192
o
C c. -200
o
C d. -273
o
C
16. The formula of Dolomite is:
a. CaCO3 b. MgCO3 . CaCO3
c. MgCO3 d. MgSO4 .7H2O
T S

2. CAREER COACHING CENTRE XII - CHEMISTRY
PREPARED BY: For Suggestion & Criticism
M U H A M M A D F A I S A L Y A S E E N m f a i s a l _ e d u @y a h o o . c o m
M.Sc. (APPLIED CHEMISTRY) - KU Page 2 of 3
MBA- IoBM (CBM)
CAREER COACHING CENTRE
GRAND TEST EXAMINATION 2018
Class: XII Max Mark: 68
Paper: Chemistry Time Allowed: 2hr:40min
SECTION ‘B’ (Short Answer question)
NOTE: ATTEMPT ANY FIVE QUESTIONS (20 marks)
Q# 1. a. Explain position of hydrogen in group IV-A.
b. Give structure of HNO3 in two different states.
Q# 2. a. Write two uses of each of the following: (Any two)
(I) Sodium Chloride (II) Calcium Sulphate
(III) Magnesium Sulphate (IV) Boric Acid (V) Alloy of Al
b. Give composition and formation of Aqua-regia.
Q# 3. Give the equation: - (Any four)
(I) Chlorine is heated with conc. Sol of sodium hydroxide.
(II) Sodium hydroxide is added to ammonium chlorine.
(III) Litharge is heated with excess of oxygen.
(IV) Chlorine is reacted with sulphur dioxide.
(V) Action of conc. and hot Nitric acid on silicon.
(VI) Action of aqua regia on gold.
OR
Complete and balance the equation: - (Any four)
(I) WO3 + H2    (II) P + HNO3 
(III) Cu + HNO3 (dil)    (IV) FeCl3 + Zn 
(V) FeCl3 + H2S    (VI) Mg + HNO3 

Q# 4. a. Explain modern periodic table in detail. Also write General valence shell configuration of each
block.
b. Write I.U.P.A.C names of the following.
i. [Co(en)2]2+
ii. [Cu(CN)4]-2
iii. NH4 [Cr(SCN)4 (NH3)2]
Q# 5. Define allotropy. Describe different allotropic forms of Carbon OR Sulphur.
Q# 6. a. Give scientific reasons of any four of the following.
i. Ionization potential decreases down the group.
ii. Li+1
ion has higher heat of hydration than Cs+1
ion.
iii. The viscosity & B.P. of H2SO4 is high.
iv. Zinc hydroxide is soluble in excess of sodium hydroxide solution
v. H+
and H-
ions behave differently in water.
vi. EDTA is a chelating agent.
b. Why Castner-Kellner’s cell has been replaced by Gibb’s diaphragm cell Now-a-days?
Q# 7. Identify the group, period & Block of elements?
Z = 24, 54, 37 & 35.
OR
Give Down’s process for the extraction of sodium metal. What is the function of iron gauze used

3. CAREER COACHING CENTRE XII - CHEMISTRY
PREPARED BY: For Suggestion & Criticism
M U H A M M A D F A I S A L Y A S E E N m f a i s a l _ e d u @y a h o o . c o m
M.Sc. (APPLIED CHEMISTRY) - KU Page 3 of 3
MBA- IoBM (CBM)
in the cell?
Q# 8. Important Chemical Formulae: (Any eight)
(I) Red Lead (II) Epsom salt (III) Lead sesquioxide
(IV) Water glass (V) Hypo (VI) Lunar caustic
(VII) Borax (VIII) Carnalite (IX) Potassium Iodate
(X) Tincal (XI) Gypsum salt (XII) Chrome red pigment
SECTION ‘C’ (Descriptive Answer question)
NOTE: ATTEMPT ANY ONE QUESTIONS (14 marks)
Q# 1. a. Give extraction of Al from bauxite contains SiO2 and Fe2O3 as the major impurities (06)
b. Define the followings and give their general valence shell electronic configuration. (04)
i. Representative elements ii. Outer transition elements iii. Inner transition element
OR
Give scientific reasons of any four of the following.
i. B2O3 is acidic while Al2O3 is basic.
ii. Na+
is smaller than Na0
iii. H2O & NH3 acts as ligand but H3O
+
& NH4
+
donot.
iv. Alkaline earth metals are more strongly hydrated than alkali metals
v. EDTA is a chelating agent.
c. What is meant by binary compounds of hydrogen. Name the list? And Explain Ionic OR Covalent
hydrides in detail? (04)
Q# 2. a. Discuss the following characteristics of complex compounds (04)
i. Colour formation ii. Catalytic property iii. Magnetic property
b. What is Water gas ? How it is prepared & How hydrogen gas can be separated from water gas. (06)
c. Define ligands. Give its classification based upon # of coordination atoms with examples. (04)
Q# 3. a. Give ammonia-Solvay process for the manufacture of soda-ash. (05)
b. Give manufacture of Cl2 by Nelson’s cell. (04)
OR
Write a short note on any two.
i. Corrosion ii. Stainless Steel iii. Photography
c. Discuss contact process for the manufacture of oil of vitrol in detail. (05)
 HARDWORKING IS DIRECTLY PROPORTIONAL TO SUCCESS BUT IN A RIGHT DIRECTION.
BEST OF LUCK !
Set by:
MUHAMMAD FAISAL YASEEN
M.Sc. (APPLIED CHEMISTRY), PETROLEUM – KU
MBA (ENVIRONMENT & ENERGY MANAGEMENT) – CBM
DEPARTMENT OF CHEMISTRY
CAREER COACHING CENTRE.