Inter (Part-II) Rawalpindi Board 2016
Chemistry
Part II (Objective Type)
Time Allowed: 20 Minutes 
Max. Marks: 17

Note: You have four choice 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.

• Which test is called silver mirror test?

(a) Tollen's test
(b) Fehling's test
(c) Benedict's test
(d) Sodium nitro prusside test

• Which of the following is not a fatty acid?

(a) Propanoic acid
(b) Acetic acid
(c) Phthalic acid
(d) Butanoic acid

• Which of the following is mono-saccharide:

(a) Fructose
(b) Sucrose
(c) Starch
(d) Cellulose

• Which three elements are needed for the healthy growth of plants?

(a) N,S,P
(b) N,Ca,P
(c) N,P,K
(d) N,K,C

• Ecosystem is a smaller unit of:

(a) Lithosphere
(b) Hydrosphere
(c) Atmosphere
(d) Biosphere

• Which is the longest period of periodic table?

(a) 4
(b) 5
(c) 6
(d) 7

• The word alkali is derived from which language?

(a) Arabic
(b) Greek
(c) French
(d) German

• Which of the following is non metal?

(a) B
(b) Al
(c) Ga
(d) In

• Which of the element gives acidic oxide?

(a) N
(b) As
(c) Sb
(d) Bi

• Which one of halogens is a liquid?

(a) F2
(b) Cl2
(c) Br2
(d)

• Total number of d-block elements are:

(a) 10
(b) 20
(c) 30
(d) 40

• A double bond consists of:

(a) Two sigma bonds 
(b) One sigma and one if – bond
(c) One sigma and two it – bond
(d) Two 'r - bond

• Formula of Marsh gas is:

(a) CH₄
(b) C₂ H₆
(c) C₃ H₈
(d) C₄ H₁₀

• Benzene cannot undergo:

(a) Substitution reactions
(b) Addition reactions
(c) Oxidation reactions
(d) Elimination reactions

• For which mechanisms, the first step is the same?

(a) E_l and E₂
(b) E₂ and SN ₂
(c) SN₁ and E₂
(d) E₁ and SN₁

• Ethanol can be converted into ethanoic acid by:

(a) Hydrogenation
(b) Hydration
(c) Oxidation
(d) Fermentation

• Which reaction is disproportionate reaction?

(a) Aldol condensation
(b) Cannizzaro's reaction
(c) Haloform reaction
(d) Acid catalysed reaction

Inter (Part-II) Rawalpindi Board 2016
Chemistry
Part II (Subjective)
Time Allowed: 3.10 Hours 
Max. Marks: 83

SECTION-I

2. Attempt any EIGHT short questions. (8 x 2 = 16)

• Why the second value of electron affinity of element is usually shown with positive sign?
• Ionization energy of Al+3is greater than Mg2+ . Give the reason.
• Define Aqua Regia. How does it dissolve gold?
• Why SO gas is dissolved in H₂SO₄ but not in H₂O in contact process?
• Write down the main factors on which reactivity of Alkyl halides depends.
• Write various types of raw material used in the preparation of cement.
• What is vital force theory? How was it rejected?
• Define catenation.
• Define electrophile and nucleophile.
• What are the essential and non-essential amino acids?
• What is Zwitter ion? Write down its structural formula.
• How lignin is removed from paper?

3. Attempt any EIGHT short questions. (8 x 2 =16)

• Why lime water turns milky on passing CO₂ but becomes clear with excess of CO₂?
• Name the factors on which oxidizing power of halogens depends.
• Write down mechanism for the Kolbe's electrolytic method for the preparation of Alkane.
• How is oil spillage affecting the marine life?
• What is lime mortar? How is it prepared?
• Write four uses of noble gases.
• Convert Acetylene into (a) Acetaldehyde (b) Benzene.
• How ethers are prepared by Williamsons synthesis?
• Why is phenol much more acidic than alcohols?
• What are thermoplastic and thermosetting polymers?
• Differentiate between oils and fats.
• Explain the term BOD.

4. Attempt any SIX short questions. (6 x 2 = 12)

• Why the d-block and f-block elements are called transition elements?
• What is resonace? Draw two resonance structures of benzene.
• Which products are formed by the catalytic reduction of aldehydes? Give one example.
• What is Benedict's solution test? Also give its reaction with acetaldehyde?
• Write four uses of borax.
• Why white lead is not suitable for use as a good pigment?
• Write two uses of K₂Cr₂O₇
• Benzene is less reactive than alkene. Why?
• How formaldehyde is prepared on industrial scale?

SECTION-II

Attempt any THREE questions.. (8 X 3 = 24)

Question #5
(a) Explain the preparation of sodium metal by Down's cell.
(b) Explain the acidic behaviour of Ethyne.

Question #6
(a) (i) How will you convert boric acid into borax and vice versa?
(a) (ii) Explain that aqueous solution of borax is alkaline in nature?
(b) Predict the major products of bromination of following compounds along with reaction conditions.
(i) Nitrobenzene (ii) Benzaldehyde (iii) Bromobenzene (iv) Phenol

Question #7
(a) How sulphuric acid is manufactured by contact process on industrial scale?
(b)Discuss two main factors which govern reactivity of alkyl halides.

Question #8
(a) Give eight uses of noble gases.
(b)Prepare ethyl acetate, ethanal, ethane and diethyl ether from ethanol.

Question #9
(a) Explain the term reforming of petroleum.
(b) Explain the mechanism of reaction of phenylhydrazine with Acetone.

SECTION-III

Attempt any THREE questions.

(a) Write the qualitative analysis of basic radical Cd⁺² in systematic manner.
(b) Write the qualitative analysis of basic radical Sr²⁺ in systematic manner.
(c) (i) Write the qualitative analysis of basic radical CH ³C00^1- in systematic manner.
(c) (ii) Describe "Chromyl Chloride" test.
(d) How will you identify carboxylic functional group in an organic compound?
(e) Write down material required, chemical equation and procedure for preparation of "Phenyl-Glucosazone".