|
•
Write the valence shell electronic configuration of the following: •
Representative elements • Inner transition elements • Group VI-13 & 1-13
• Group IIIA & IIIB •
What we the improvements made in the Mandleev’s periodic table? Discuss
advantages and defects of Mendeleev's periodic table. • Write electronic configuration. Period.
Group and Block of given elements: (1) 12 (ii) 19 (iii) 24 (iv) 29 (v) 42
(vi) 47 (vii) 55 • Why d- Block elements are called
outer transition elements and f- Block elements are called inner transition
elements. |
|
•
Discuss position of hydrogen in Periodic Table with groups I-A and VII-A. •
What are hydrides? How are they classified? Discuss Ionic and Complex
hydrides in detailed Give
reasons of the following statements: •
Metallic hydrides form interstitial hydrides. •
Atomic or Nascent hydrogen is more reactive than molecular hydrogen. •
Alkali and Alkaline earth metal hydrides arc called salt like hydrides •
Complete and balance following chemical equations: (i)
Al4C3 + H2O à
(ii) NaBH4 + H2O à (iii) CO + NaOH à (iv) CO2 + H2O à (v) CaC2 + H2O à (vi) Mg3N2 + H2O à |
|
•
What is metallurgy? Discuss metallurgy of sodium by down’s Process.Draw the
diagram. •
Give reasons of the following statements: 1. Li + ions are more readily hydrated than
K+ ions. 2.
Li+ / Li couple has exponentially high negative electrode potential. 3. Alkali metals are highly reactive. 4.
Alkaline earth metals ions are more strongly hydrated than alkali metal ions. 5.Lithium and berylium markedly differ
from other members of their respective group. •
Complete and balance following chemical equations: (i)
Na + H2O à (ii) Ca(OH)2 + NH4Cl
à (iii) Mg + H2O à (iv) K + O2 à (v) MgCl2 + Ca(OH)2
à |
|
•
How Nitric Scid is manufactured by Ostwald’s process? Draw the structure of Nitric
acid in solid and vapour state. •
Explain the working of Nelson and Castner-Kellner Cells. •
How Bauxite is purified? Give at least three methods for the purification of
Bauxite. •
Write Chemical formula of the following. Koalin,Bauxite,Corundum,Cryolite,Diaspore,
Alunite •
Complete and balance following chemical equations: (i)
HNO3 + HCl à (ii) FeCl3 + H2S à (iii) NO2 + H2O
à (iv)
CO + Cl2 à (v) P + HNO3
à •
Give reasons of the following statements: 1.
Ionization potential decreases from top to bottom in a group 2. Electropositivity increases from
top to bottom in group. |
|
Chapter
No.5 (d- Block Elements) |
|
•
Write IUPAC names of the following complex compounds: (i) K4[Fe(CN)6] (ii)
[CO(H2O)6SO4 (iii) KMnO4 (iv)
[Pt(CN)6 ]-2 (v)
[Co(en)3]Cl3 (vi) Ni(CO)4 (vii) Fe(CO)5 •
Describe preparation and properties of copper sulphate(CuSO45H2O)
or Potassium Chromate (K2CrO4) •
Give the conditions favouring the rusting of Iron.How can corrosion be
prevented? •
Give reasons of the following statements: 1.
Transition elements form complex compounds. 2.
Transition elements are good catalyst. 3.
Transition elements form coloured compound. 4. Most of the transition elements are
para magnetic. |
|
•
What are natural resources of organic compounds? Discuss Coal in detail. •
What do you understand by Isomerism?Discuss various types with suitable
examples. •
Write a short note on Polymerization. •
Write IUPAC names of the following organic compounds: (i) CH3-CH(C2H5)-CH(CH3)-CH3 (ii) CH2=CH-CH2-C(CH3)=CH2
(iii)
C2H5-CH(CH)3-CH=CH2 (iv) (CH3)4C •
Draw structures of the following. (i)
3-ethyl-2-methyl pentane (ii) 1,3- pentadiyne (iii) 4-hexene-1-yne (iv) 2,3-
dimethyl pentane |
|
•
Discuss MOT of Benzene/ Ethyne/Ethane •
Why Benzene undergoes electrophilic substitution reaction? Discuss step wise
mechanism of nitration of Benzene/ sulphonation/ Friedel Craft reaction. •
Distinguish following pairs of organic compounds by simple chemical test. (i)
Alkane and Alkene (ii) Benzene and Toulene (iii) Alkane and Alkyl halide •
How will you prepare the following? (i)
Benzene from phenol (ii)Red solid from ethyne (iii) Benzene from ethane (iv)
Benzoic acid from Benzene |
|
•
Explain the mechanism of SN1 and SN2 reactions with example. •
What are organometallic compounds? How Grignard’s reagent is prepared? How you
can prepare following from Grignard’s Reagent. (i) Acetic Acid (ii) Ethane
(iii) Iso propyl Alcohol •
Classify Alkyl halides as Primary, Secondary and Tertiary alkyl halides with
examples •
Outline the structure of each of the following compounds. (i) 2-bromo-3-methyl butane (ii)
1-chloro-2-methylpentane (iii) Ter-butyliodide (iv) Isobutyliodide |
|
Chapter
No.9 (Carbon compounds with oxygen containing Functional group) |
|
•
What do you mean by Primary,Secondary
and Tertiary Alcohols.Give the structure and name of a 10 ,20
and a 30 alcohol of the molecular formula C5H11OH •
How do you distinguish between Aldehyde and Ketone. •
How will you obtain. (i) Acetaldehyde from ethyl alcohol (ii) Acetone from
acetic acid • Define Fermentation.How can ethanol
be prepared from molasses by fermentation. |
|
Chapter No.10
(Chemistry of Life) |
|
•
What are carbohydrates?How are they classified?Give its biological
importance. •
What are enzymes? Discuss its classification. •
Define the following. (i) Amino acids (ii) Zwitterion |
|
Chapter No.11
(Chemical Industries in Pakistan) |
|
•
Write Short Note on (i) Fertilizers (ii)
Detergents and Glass (iii)
Plastics and Paints |
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