Inter (Part-II) Multan Board 2015
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.

• Elements of group VII A are called:-

(A) Alkali metals
(B) Coinage metals
(C) Halogens
(D) Nobel gases

• _____ Element in deposited at cathode during the electrolysis fo Brine in Diaphragm Cell. 

(A) Na
(B) Cl₂ 
(C) O2
(D) H2

• Bauxite in the minerals of:-

(A) B
(B) Al
(C) Na
(D) C

• Laughing gas is chemically:-

(A) NO
(B) N2O
(C) NO₂
(D) N2O₄

• The strongest acid is:-

(A) HClO
(B) HClO₂
(C) HClO₃
(D) HClO₄

• The non-typical transition element is:-

(A) Cr
(B) Mn 
(C) Zn
(D) Fe

• Pentane has isomers:-

(A) Two
(B) Three
(C) Four
(D) Five

• Formula of Chloroform is:-

(A) CH3Cl
(B) CH2Cl₂
(C) CHCl₃
(D) CCl₄

• _____ groups is meta-director.

(A) −CH₃
(B) −NH₂
(C) −NO₂
(D) −OH

• _____ compound is formed when CH₃ −OH reacts with CH₃ −CH₂ −Mg−Br.

(A) Ethane
(B) Propane
(C) Methane 
(D) Ethanol

• Aldehydes react with Fehling’s solution and form _____ coloured ppt.

(A) White
(B) Brick red
(C) Yellow
(D) Grey 

• Dry Distillation of Calcium Acetate give:-

(A) HCHO
(B) CH₃CHO
(C) CHvCOCH₃
(D) CH₃ −CH₂ −OH

• _____ is not a fatty acid.

(A) Propanoic acid
(B) Acetic acid
(C) Phthalic acid
(D) Butanoic acid

• _____ elements is not present in all proteins.

(A) C
(B) H
(C) S
(D) N

• ______ is not a calcareous material.

(A) Lime
(B) Clay
(C) Marble
(D) Marine shell

• Rectified spirit contains alcohol about:-

(A) 80 %
(B) 85 %
(C) 95 %
(D) 90 %

• Per oxy acetyl nitrate (PAN) is an irritant to human beings and it affects:-

(A) Eyes
(B) Ears
(C) Stomach
(D) Nose

Inter (Part-II) Multan Board 2015
Chemistry
Part II (Subjective)
Time Allowed: 2.10 Hours 
Max. Marks: 83 

Section I

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

• Why the oxidation state of Noble gases is usually zero?
• Give reason that Hydration Energy of Al³⁺ ions is more than Mg²⁺
• P_{2 5}O is a powerful dehydrating agent. Prove giving examples.
• Why is SO₃ dissolved in H₂SO₄ and not in water?
• What are Homocyclic compounds? Give two examples.
• Write structural formulas of the two Isomers of C₄H₁₀.
• What are Electrophiles and Nucleophiles?
• Why ‘R – X’ are reactive compounds?
• Write down structural formulas of (a) Oxalic acid (b) Benzoic acid (x) What is Glacial Acetic Acid?
• Briefly describe the bleaching process in paper industry.
• What are Micro and Macro nutrients for plant growth?

3. Attempt any Eight parts. 8 × 2 = 16

• Why members of second group are called Alkaline-Earth metals?
• Write formulas of Borax and Chile Saltpetre.
• Give uses of Iodine.
• Write formulas of two Oxides of Bromine.
• Convert CH₄ to CH₂O .
• How Cis-Alkenes and Trans-Alkenes are obtained from Alkyne?
• Give oxidation of primary and secondary alcohols.
• How Ether is prepared by Williamsons synthesis?
• Write a note on Cholesterol.
• How Nylon 6, 6 can be obtained?
• How detergents cause water pollution?
• Write harmful effects of Chlorination of Water.

3. Attempt any Six parts. 6 × 2 = 12

• Write down four uses of Borax.
• Write down the structure of COand CO₂.
• What do you mean by Ligand and Coordination sphere?
• Why do the transition elements have variable valency?
• Write down the formula of Acetophenone and Benzyl Alcohol.
• What is Wurtz–Fittig’s reaction?
• What is Cannizzaro’s reaction? Give an example.
• What is Formalin?
• What is Tollen’s test?

SECTION-II

NOTE: - Attempt any three questions. 8 ×3 = 24

Question #5.
(a) Describe commercial method for preparation of Sodium Hydroxide by the Diaphragm Cell. 4
(b) Convert Acetylene into (i) Glyoxal (ii) Chloroprene 4

Question #6.
(a) Describe four points of peculiar behaviour of Boron. 4
(b) Write the Atomic Orbital Treatment about the structure of Benzene. 4

Question #7.
(a) Discuss industrial preparation of Nitric Acid by Birkeland – Eyde’s Process. 4
(b) Describe S_N1 mechanism of reactions in organic compounds. 4

Question #8.
(a) Discuss Relative Reactivities of the Halogens as Oxidizing Agent. 4
(b) (i) Give two methods of Preparation of Phenol.
(ii) How Methanol is prepared in industry? 4

Question #9.
(a) What is Isomerism? Discuss Position Isomerism and Geometrical Isomerism 4
(b) State and explain Aldol Condensation. Discuss its mechanism. 4

SECTION-III (PRACTICAL)

10. Attempt any three parts.

• Write the qualitative analysis of Fe⁺⁺ radical in systematic manner. 5
• Write the qualitative analysis of Ba⁺⁺ radical in systematic manner. 5
• (i) Write the qualitative analysis of NO₃⁻¹ radical in systematic manner. 4
  (ii) Describe Chromyl Chloride test. 1
• How will you detect S and X in an organic compound? 5
• Write the materials required, equation and procedure for the preparation of Copper Amine Complex. 5