test 7+ 10. 9+11
Test #01
(ch:07 & 10) Time allowed:______hours
Paper:
Chemistry Class: Fsc 2nd Year
Objective marks: 12 Total Marks:50
Student’s
Name:_________________ Section______________ Roll #_______________
Note : Cutting & overwriting & ink remover is not
allowed. Use only Fountain pen with Blue ink.
(Objective)
Q.No.1: MULTIPLE CHOICE QUESTIONS: Encircle the correct Option.)
1)
When
CO2 is made to react with ethyl magnesium iodide followed by acid hydrolysis
the product formed is
a) Propane b) Propanoic acid c) Propanal d) Propanol
2) For which mechanisms the
first step involved is the same
a) E1 and E2 b) E2 and SN2 c) E1and SN2 d) E1 and SN1
3) SN1 mechanism involves
a) One step b) two step c) three step d) no step
4) The C-Mg bonds in CH3CH2Mg-X
bond is
a) covalent b) ionic c) polar d) non-polar
5) which of the following
solvents can be used in the preparation of Grignard reagent?
a) ether b) THF c) tertiary
amines d) All
6) Ethyl choride reacts with sodium lead alloy to give
a) Na-ethoxide b) tetraethyl lead c) tetraethyl d) NO-3
7) Butene shows the phenomenon
of
a)
position isomerism b)
metamerism c) cis-trans
isomerism d) functional group
isomerism
8) The functional group of
Imine is
a) –NH2 b) C=NH c) -OH d) -CHO
9) Which one of the following compounds is thiol:
a) CH3CH2OH b) CH3CH2SH c) CH3CH2OCH3 d) CH3NO2
10) Pyrrole is an example
of
a) aromatic compounds b) heterocycles c) acyclic compounds d) alicylic compounds
11) The crude petroleum is
separated in different fractions by:
a)
filtration b) fractional sublimation c) steam distillation d) fractional distillation
12)
The compounds C4H10O can show
a) Position isomerism b) metamerism c) Functional group isomerism d) All
………………………………………………………………………………………………………………………………………………………………
Test
#01(ch:07 & 10 ) Time allowed: ______hours
Paper: Chemistry Class: Fsc 2nd Year Subective marks: 38 Total
Marks: 50
Student’s
Name:_________________
Section______________ Roll
#_______________
Note : Cutting & overwriting & ink remover is not allowed. Use only
Fountain pen with Blue ink.
Q.no2. Write SHORT Answers of following QUESTIONS: (2x15=30)
1) What is
carbonization, give examples?
2) Concept of metamerism is
not found in 2-Butanone Why?
3) What is Vital force theory
How it was rejected?
4) How we can compensate the
deficiency of Gasoline?
5) What are tautomers. Give
two examples?
6) Why the rates of organic
reactions are usually slow?
7)Draw Sp2
Hybridized carbon in Ethene?
8) Discribe the best
method for preparation of alkyl halides.
9) What are SN1
reaction?
10) How alkyl nitriles
are obtained from Grignardreagents ?
11) How will you obtain
1-Propanol (primary alcohol from ethyl magnesium bromide?
12) what are E-1 reactions? Give example
13) .Why tertiary Carbocation are more stable
then secondary and primary?
14) What are E2 reaction? Give example.
15) what are SN 2 reactions?
Give examples.
…………………………………………………………………………………………………………………
Chapter (09) (For Group B Only)
1) What is
Wurtz-Fittig reaction?
2) What information
are given by X-ray analysis of benzene?
3) Give three example
of fused (condensed) aromatic hydrocarbons.
4) What is nitration of
Benzene? Give its mechanism.
5) Give the reaction of
benzene with air.
6) How it is proved that
benzene has molecular formula C6H6?
7) How does meta- directing
group deactivate the benzene ring? Give Example.
Q.no3 EXTENSIVE
QUESTIONS:
(2+2+4)
a.Convertions
i) CH3CH2MgBr
to n Butane
ii) CH2=CH2
to 1-butanol
b.
Explain cracking of petroleum with
examples?
……………………………………………………………………………
Test #02 (ch:09 & 11) Time allowed:______hours
Paper:
Chemistry Class: Fsc 2nd Year
Objective marks: 20 Total Marks:76
Student’s
Name:_________________ Section______________ Roll #_______________
Note : Cutting & overwriting & ink remover is not
allowed. Use only Fountain pen with Blue ink.
(Objective)
Q.No.1: MULTIPLE CHOICE QUESTIONS: Encircle the correct Option.)
1.
The molecular formula of benzene corresponds with
(a) Alkane
(b) Alkene
(c) Alkyne (d) None of these
2.
The carbon hydrogen bond length in benzene is
(a) 120A0 (b) 397A0 (c) 1.09A0 (d) 109.5A0
3.
n-hexane when heated in the presence of
Cr2O3 + Al2O3 + SiO2
the product is
(a)Benzene (b) Benzoic acid (c) Toluene (d)None
4.
Sodium benzoate + soda lime
X + Na2
CO3 x is
X + Na2
CO3 x is
a)Benzene (b) Phenol (c)Methane (d)
Toluene
5.
R+ is called
(a)Cabanion (b) Carbocation (c) Anion (d) None of these
6.
Meta directing group decreased the _____ of benzene ring.
(a)Physical activity (b) Chemical activity (c) Density (d) None
7.
C6H6 + O3 
x, here x is
x, here x is
(a)Benzene triozonide (b) CO2 + H2O (c)Glyoxal (d) Formaldehyde
8 .By
acylation of benzene with acetyle choloride the product obtained is
(a)Benzyle chloride (b) Acetophenone (c) Acetone (d)
Toluene
9.
For catalytic oxidation of benzene the catalyst is
(a)KMnO4 (b) K2Cr2O7 (c) O2 (d)
V2O5
10.
The mixture of HNO3 and H2SO4 for aromatic
nitration is taken in a ratio of
(a) 1 : 1 (b) 1 : 2 (c) 2 : 1 (d) 3 :
1
11.
Optimum temperature for fermentation process is
(a) 35 – 400C (b) 25 – 300C (c) 25 – 350C (d)
All are true
12.
The
conversion of sucrose into glucose and fructose by hydrolysis is called
(a) Conversion (b) Inversion (c) Polymerization (d) None of these
13.
Alcohols of lower molecular weights are
(a) Soluble in water (b) Toxic (c) Sweet smell (d)
All of these
14.
Which group will enhance the acidic character of phenol?
(a) NO2 (b) CN (c) -X (d) All
15.
The by product of fermentation is
(a) Alcohol (b) Glucose (c) Fructose (d)
CO2
16
.Which of the following has isolated
benzene rings
a) Naphthalene b) Anthracene c) Phenanthrene d) none
17.
Which one is used to poison alcohol?
(a) Methanol (b) Pyridine (c) Acetone (d)
All
18.
Which one alcohol has the least
solubility in water
a) Ethyl alcohol b) n-Butyl alcohol c) n-Pentyl alcohol d) n- Hexyl alcohol
19. Which one is carbolic
acid
a) C2H5OH b) CH3COOH c) CH3OH d) C6H5OH
20 . Ethanol can be converted
into ethanoic acid by_______
a)
Hydrogenation b) Hydration c) Oxidation d) Frementation
………………………………………………………………………………………………………………………………………………………………
Test
#02(ch:09 & 11 ) Time allowed: ______hours
Paper: Chemistry Class: Fsc 2nd Year Subective marks: 56 Total
Marks: 50
Student’s
Name:_________________
Section______________ Roll
#_______________
Note : Cutting & overwriting & ink remover is not allowed. Use only
Fountain pen with Blue ink.
Q.no2. Write SHORT Answers of following QUESTIONS: (2x20=40)
Chapter (09)
1) What
is Wurtz-Fittig reaction?
2) What information are given by X-ray
analysis of benzene?
3) Give three example of fused
(condensed) aromatic hydrocarbons.
4)
What is nitration of Benzene? Give its mechanism.
5)
Give the reaction of benzene with air.
6)
How it is proved that benzene has molecular formula C6H6?
7)
How does meta- directing group deactivate the benzene ring? Give Example.
8)
What are Aromatic Hydrocarbon? Give example.
9) write the objections in Kekules stricture?
10) What is resonance and resonance energy?
Chapter (11)
- How
alcohols are classified? Give Examples
- Write
physical properties of Alcohols.
- How
will you distinguish between methanol and ethanol?
- Why
Phenol is acidic but ethanol is not?
- Why
we can’t obtain more than 14% alcohol by fermentation process?
- What
are similarities between H2O, alcohol and Ether.
- What
is denaturing of alcohols.
- Write
Williamson synthesis for preparation of Ethers.
- Write
the uses of alcohols.
10.Prepare
phenol from salt of benzene sulphonic acid.
EXTENSIVE
QUESTIONS:
(3+3+2)
Q .NO .3 a)
Prepare Methanol on industrial scale
b) How will to distinguish
between different alcohols
c) Describe the chemical reactivity of ethers
Q.No.4. (4+4)
a) write preparation of benzene by laboratory methods.
b) write alkyation of
benzene with mechanism.
……………………………………………………………………………
Test #03 (ch:09 & 11) Time allowed:______hours
Paper:
Chemistry Class: Fsc 2nd Year
Objective marks: 20 Total Marks:76
Student’s
Name:_________________ Section______________ Roll #_______________
Note : Cutting & overwriting & ink remover is not
allowed. Use only Fountain pen with Blue ink.
(Objective)
Q.No.1: MULTIPLE CHOICE QUESTIONS: Encircle the correct Option.)
1.
The molecular formula of benzene corresponds with
(a) Alkane
(b) Alkene
(c) Alkyne (d) None of these
2.
The carbon-carbon bond length in benzene is
(a) 120A0 (b) 3.97A0 (c) 1.09A0 (d) 1.397A0
3.
n-heptane when heated in the presence of
Cr2O3 + Al2O3 + SiO2
the product is
(a)Benzene (b) Benzoic acid (c) Toluene (d)None
4.
Sodium benzoate + X Benzene + Na2
CO3……. X is
Benzene + Na2
CO3……. X is
a) soda lime (b) Phenol (c)Methane (d) Toluene
5.
R+ is called
(a)Cabanion (b) None of these (c) Anion (d)
Carbocation
6.
Ortho-Para directing group increased the _____ of benzene ring.
(a)Physical activity (b) Chemical activity (c) Density (d) None
7.
C6H6 + O3 x, here x is
x, here x is
(a)Benzene triozonide (b) CO2 + H2O (c)Glyoxal (d) Formaldehyde
8 .By
alkylation of benzene with acetyle choloride the product obtained is
(a)Benzyle chloride (b) Acetophenone (c) Acetone (d) Toluene
9.
For catalytic oxidation of benzene the catalyst is
(a)KMnO4 (b) K2Cr2O7 (c) O2 (d)
V2O5
10.
The mixture of HNO3 and H2SO4 for aromatic
nitration is taken in a ratio of
(a) 1 : 1 (b) 1 : 2 (c) 2 : 1 (d)
3 : 1
11.
Optimum temperature for fermentation process is
(a) 35 – 400C (b) 25 – 300C (c) 25 – 350C (d)
All are true
12.
The
conversion of sucrose into glucose and fructose by hydrolysis is called
(a) Conversion (b) Inversion (c) Polymerization (d) None of these
13.
Alcohols of lower molecular weights are
(a) insoluble in water
(b) Toxic
(c) Sour smell (d) All of these
14.
Which group will enhance the acidic character of phenol?
(a) NO2
(b) CN (c) -X (d) All
15.
The by product of fermentation is
(a) Alcohol (b) Glucose (c) Fructose (d)
CO2
16
.Which of the
following has isolated benzene rings
a) Naphthalene b) Biphenyl c) Phenanthrene d) none
17.
Which one is used to poison alcohol?
(a) Methanol (b) Propane (c) Detol (d)
All
18.
Which one alcohol has the least
solubility in water
a) Ethyl alcohol b) n-Butyl alcohol c) n-Pentyl alcohol d) n- Hexyl alcohol
19. Which one is carbolic
acid
a) C2H5OH b) CH3COOH c) CH3OH d) C6H5OH
20 . Which compound is most
reactive one.
a) Ethyne b) Ethene c) Benzene d) Ethane
………………………………………………………………………………………………………………………………………………………………
Test
#03(ch:09 & 11 ) Time allowed: ______hours
Paper: Chemistry Class: Fsc 2nd Year Subective marks: 56 Total
Marks: 50
Student’s
Name:_________________
Section______________ Roll
#_______________
Note : Cutting & overwriting & ink remover is not allowed. Use only
Fountain pen with Blue ink.
Q.no2. Write SHORT Answers of following QUESTIONS: (2x20=40)
Chapter (09)
1)
What is Wurtz-Fittig reaction?
2) What information are given by X-ray
analysis of benzene?
3) Give two examples of isolated aromatic hydrocarbons.
4)
What is nitration of Benzene? Give its mechanism.
5)
write catalytic dehydrogenation of Cyclohexane.
6)
Prepare Benzene from Acetylene?
7)
Write general mechanism of reactivity of
Benzene towards Electrophiles.
8)
what are monocyclic aromatic Hydrocarbons. Give at least four examples.
9) write the side chain oxidation reactions of
benzene? Give two examples.
10) What is halogenation of Benzene? Give
Example.
Chapter (11)
- How alcohols are
classified? Give Examples
- Write reaction of
Phenol with formaldehyde.
- How will you
distinguish between methanol and ethanol?
- Why Phenol is
acidic but ethanol is not?
- Prepare Phenol by
Dow’s Method.
- What are
similarities between H2O, alcohol and Ether.
- What is denaturing
of alcohols.
- Write Williamson
synthesis for preparation of Ethers.
- Write the uses of
alcohols.
10.Prepare
phenol from salt of benzene sulphonic acid.
EXTENSIVE
QUESTIONS:
(3+3+2)
Q .NO .3
a)
Prepare Methanol and Ethanol by industrial method.
b) Describe the chemical reactivity of ethers
Q.No.4. (4+4)
a)
write a note on Orientation in
Electrophillic Substitution Reactions of Benzene Ring.
b) write Friedel Craft’s Acylation with
mechanism.
……………………………………………………………………………
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