Inter (Part-II) Multan Board 2014
Chemistry
Part II (Objective Type)
Time Allowed: 20 Minutes 
Max. Marks: 17

Note: You have four choices for each objective type question as A, B, C and D. The choice which you think is correct; fill that circle in front of that question number. Use marker or pen to fill the circles. Cutting or filling two or more circles will result in zero mark in that question.

Question #1
Circle the correct option i.e. A/B/C/D. Each part carries one mark.

•  Vinylacetylene reacts with HCI to form -

(A) Polyacetylene
(B) Chloroprene
(C) Benzene
(D) Divinyl acetylene

• Catalyst used in Friedel-Craft's reaction is:-

(A) AlCl₃
(B) Zn
(C)Cu -Ni
(D)HNO₃

• Is not a Nucleophile.

(A) H₂O
(B) H₂S
(C) BF₃
(D) NH₃

• Compound shows extensive Hydrogen Bonding with water.

(A) C₂H₆
(B) H₂S
(C) CH₃CI
(D) C₂H₅OH

• Ketones are prepared by the oxidation of:-

(A) Primary alcohol
(B) Secondary alcohol
(C) Tertiary alcohol
(D) Polyhydric alcohol

• Catalyst used to reduce Carboxylic acids to alcohols is:-

(A) H₂/Ni
(B) H₂ /Pt
(C) NaBH₄
(D) Li Al H₄

• Vegetable oils are:-

(A) Polyesters
(B) Glycerides of unsaturated fatty acids
(C) Essential oils
(D) Fatty acid

• Woody Raw material for paper pulp is obtained from,-

(A) Cotton
(B) Bagasse
(C) Poplar
(D) Rice Straw

• Water is disinfected by a substance to ovoid toxification:-

(A) KMnO₄
(B) Alums
(C) O₃
(D) Cl₂

• The most metallic element from the following is:-

(A) Nitrogen
(B) Oxygen
(C) Antimony
(D) Bismuth

• Correct order according to atomic size in the following is:-

(A) Na > K
(B) Be > Mg
(C) O> N
(D) Cl > F

• Oxides of Be are--

(A) Acidic
(B) Basic
(C) Amphoteric
(D)Neutral

• Tincal is a mineral of -

(A) Al
(B) B
(C) C
(D) Si

• Maximum number of unpaired electrons are in:-

(A) O₂
(B) O₂
(C)O_-2
(D)O₂

• The Hydride of HClO₄, is:-

(A) ClO₃
(B) ClO
(C) Cl₂O₅
(D) Cl₂O₂

• Typical transition element is:-

(A) Sc
(B) Co
(C) Ra
(D) Y

• Is Alcohol in the following.

(A) CH₃CH₂OH
(B) CH₂OCH₃
(C) CH₃COOH
(D) CH₃CH₂SH

Inter (Part-II) Multan Board 2014
Chemistry
Part II (Subjective)
Time Allowed: 2.10 Hours 
Max. Marks: 83

Section I

2.Attempt any Eight parts. 8 x 2 =16

• Define "ELECTRON AFFINITY". Why second electron affinity value is positive?
• Negative ion is always bigger in size than its parent atom. Why?
• Write Chemical Formulae of:- (a) C,arnallite (b) Borax
• What is Chemical Garden?
• Why is CO₂ a gas at room temperature while SiO₂ is a solid?
• What are Silicones? Write their two uses.
• What is Aqua Regis? How does it dissolve gold?
• Write two reactions which show that H₂SO₄ acts as dehydrating agent.
• Write four uses of HNO₃
• Why HF is weaker acid than HCl?
• What is Teflon? Give two uses also,
• Halogens are strong oxidizing agents justify.

3. Attempt any Eight parts. 8 x2 = 16

• Give four important characteristics of Transition Elements.
• Define Ligand. Give two examples.
• What is Mesmerism? Give an example.
• Write two possible isomers of C₄H₁₀ Write their IUPAC names also.
• Define Markownikov's Rule.
• Distinguish between Ethene and Acetylene.
• Convert Acetone into Tertiary Butyl Alcohol.
• Tollen's Test is also called Silver Mirror Test. Justify it
• How Ethanal react with Phenyl Hydrazine? Give reaction,
• Give two differences between Oils and Fats.
• What are Derived Proteins? Give examples.
• What is Glycogen?

4. Attempt any six parts. 6 x 2 =12

• Discuss one reaction which shows that Benzene is unsaturated Hydrocarbon.
• Give the mechanism for the reaction of Grignard's reagent with CO₂
• How Phenol can be converted into Benzene?
• How will you distinguish between Methanol and Ethanol?
• Give the important properties of Fertilizers.
• Define Cement and give its essential constituents.
• What is meant by-Dry Cleaning in Paper Manufacturing?
• What is the effect of Acid Rain on Earth?
• Define Environmental Chemistry and what are the components of Environment?

SECTION-II

NOTE: - Attempt any three questions. 8 x3=24

Question #5
(a) Explain main features of the Modern Periodic Table. 4
(b) Describe the process for the preparation of Sodium Metal on industrial scale by Down's Cell. 4

Question #6
(a) Define Orbital Hybridization and discuss op' hybridization in detail. 4
(b) Discuss the mechanism of Bimolecular Nucleophilic Substitution reactions in detail. 4

Question #7
(a) Describe with examples the acidic nature of Alkynes. 4
(b) Write down the mechanism of reaction of Acetic Acid with Thionyl Chloride and Ammonia 4

Question #8
(a) What is Friedel Crafts Alkylation Reaction? Give its mechanism. 4
(b) What is Dow's Method for the preparation of Phenol? Explain Acidic behavior of Phenol.

Question #9
(a) Explain the process of manufacture of Wrought Iron from Cast Iron. 4
(b) Explain the process of Incineration of industrial waste.  4

SECTION-III (PRACTICAL)

Question #10 Attempt any three parts.

(i)(a) Write down two confirmatory tests for Chloride Radical.  3
(b) Describe Ring Test 2

(ii)(a) Write down two confirmatory tests for Al³⁺ radical 3
(b) Describe Broax Bead Test. 2

(iii) (a) Write down two confirmatory tests for Ba²⁺ radical.  3
(b) Describe Filter Ash test. 2

(iv)Write down the material required, chemical equation and procedure for the preparation of Aspirin.  5

(v) How will you detect Nitrogen and Halogen in an organic compound? 5