Inter (Part-II) Faisalabad Board 2013
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.

• A double bond consists of:

(a) One sigma and one pi bond
(b) Two sigma bonds
(c) One sigma and two pi bonds
(d) Two pi bonds.

• Which is transition elements?

(a) Ba
(b) Na
(c) Ra
(d) Co

• Which halogen acid is the weakest acid in its solution from in H2 O ?

(a) HF
(b) HCI
(c) HBr
(d) HL

• Which catalySist is used in contact process for manufacture of H₂ SO₄ .

(a) Fe₂ O₃
(b) V₂ O ₅
(c) AL₂ O₃
(d) MnO₂

• Aluminium oxide is:

(a) Amphoteric
(b) Basic
(c) Acidic
(d) Neutral

• The compound CaSO₄ has common name.

(a) Dolomite
(b) Espon
(c) Gypsum
(d) Calcite

• The number of groups present in modren peridic table are:

(a) 8
(b) 7
(c) 6
(d) 5

• The main pollutant of leather tanneries is the waste ware,' containing the salt of

(a) Lead
(b) Copper
(c) Sodium
(d) Chromium

• Micronutrients are required in quantitly per acre ranging from:

(a) 4-40g
(b) 6-20g
(c) 6-200g
(d) 4.40kg

• Which polymer is synthetic polymer?

(a) Animal fat
(b) Strach
(c) Cellulose
(d) Polyester

• Aldehydes on reduction from:

(a) Primary alchols
(b) Secondary alcohols
(c) Tertiary alcohols
(d) Ketones

• Which compound will react with Tollen's reagent?

(a) Acetaldehyde
(b) Acetone
(c) Acetic acid
(d) Butanone

• Which enzyme is not used in fermentation of strach?

(a) Vrease
(b) Diastase
(c) Zymase
(d) invertase

• Which is not a nucleophile?

(a) H₂O
(b) H₂S
(c) NH₃
(d) BF₃

• During nitration of henezene , the active nitrating agent is:

(a) NO₂
(b) NO₃
(c) NO₂
(d) HNO₃

• Which gas is used for artificial ripening of fruits?

(a) Ethane
(b) Ethene
(c) Acetylene
(d) Propane

• The acid which is used in manufature of synthetic fiber is:

(a) Formic acid
(b) Acetic acid
(c) Carbonic acid
(d) Oxalic acid

Inter (Part-II) Faisalabad Board 2013
Chemistry
Part II (Subjective)
Time Allowed: 2.10 Hours 
Max. Marks: 83 

Section I

Q2 Attempt any EIGHT short questions. (8x2 =16)

• Prove with chemical reactions that ZnO behaves as amphoteric
• Define hydraction energy. How it is varies in group and periods of periodic table?
• How potassium superoxide (KO,) has a very intersting use in breathing equipment for mountaineers and in space craft?
• Write any four points to show peculiar behaviour of beryllium.
• Write main advantage of perparation of sodium by Down's cell.
• Why does aqua regia dissolve gold and platinum ?
• NO₂ is a strong oxidizing agent. Prove it with suitable
• Write any four important uses of H₂S0₄ .
• What is iodized salt'?
• How chorntate ions are converted into dichromate ions'?
• Describe how we can distinguish between ethane and ethene?
• How will you convert 1-butene to 1-butyne'!

Q3 Attempt any EIGHT short questions. (8 x2 = 16)

• Write four uses of sodium silicate.
• Why CO₂ is a gas and SO, is solid at room temerature?
• Define reforming of petrolium and give one example.
• Write a short note on cracking of petroleum .
• Convert benezene into (i) toluene (ii) acetophenone
• What is meant by meta directing group?
• Write the reactions of Grignard's reagent with (i) H₂O (ii)
• Prepare alkyl halides from alcohols by two methods.
• Write the equations involved in preparation of ethyl alcohol from molasses.
• Explain the acidic behaviour of phenol.
• Convert acetic acid to ethane.
• Write two uses of acetic acid.

Q4 Attempt any SIX short questions. (6 x2 = 12)

• write down reactions of sodium bisulphite with acetaledehyde and acetone.
• how acetals are formed?
• Beriefy describe Fehling's solution test.
• convert: Methanal Methanol, Propanone 2- propanol
• Write down formulas for a D-Glucose and # -D-Glucose.
• Beriefy describe simple proteins.
• Write the names of non-woody and two woody raw materials for the production of paper and pulp.
• Write down formulas for Superphosphate and Triple phosphate.
• How is oil spillage affecting the marine life?

SECTION  II

Note: Attempt any Three questions from this section (8*3=24)

Question #5
(a) give the periodic trend of ionization energy and electron affinity.
(b) What is down cell ? draw its diagram and show its working .

Question #6
(a) Explain Sp2 -Hybridization and explain the structure of ethene on the basis of this type.
(b) Describe aldol condensation . Give an example and mechanism.

Question #7
(a) How Kolb's electrolysis method is used for file preparation of alkenes and alkynes.
(b) Write a note on # -elimination reaction .

Question #8
(a) Write four reactions in which benzene behaves as if it is a saturated hydrocarbon.
(b) Disuss the mechanism of esterilication between a carboxylic acid and alcohol.

Question #9
(a) What is corrosion ? Explain the electrochemical theory of corrosion .
(b) What is smog '? Explain the pollutants which are the main causes of photochemical smog.