Sunday, April 14, 2024
12:39 PM (GMT +5)

Go Back   CSS Forums > Punjab Public Service Commission > PCS / PMS > PMS Past Papers > PMS Papers 2015

Reply Share Thread: Submit Thread to Facebook Facebook     Submit Thread to Twitter Twitter     Submit Thread to Google+ Google+    
 
LinkBack Thread Tools Search this Thread
  #1  
Old Saturday, April 16, 2016
Amna's Avatar
Super Moderator
Moderator: Ribbon awarded to moderators of the forum - Issue reason: Best Moderator Award: Awarded for censoring all swearing and keeping posts in order. - Issue reason: Diligent Service Medal: Awarded upon completion of 5 years of dedicated services and contribution to the community. - Issue reason:
 
Join Date: Aug 2005
Location: Desert of Dream
Posts: 2,926
Thanks: 446
Thanked 1,987 Times in 1,041 Posts
Amna has much to be proud ofAmna has much to be proud ofAmna has much to be proud ofAmna has much to be proud ofAmna has much to be proud ofAmna has much to be proud ofAmna has much to be proud ofAmna has much to be proud of
Default PMS Chemistry Paper 2015

PUNJAB PUBLIC SERVICE COMMISSION
COMBINED COMPETITIVE EXAMINATION FOR
RECRUITMENT TO THE
POSTS OF
PROVINCIAL MANAGEMENT SERVICE, ETC. – 2015

SUBJECT: CHEMISTRY (PAPER-I)

TIME ALLOWED: THREE HOURS
MAXIMUM MARKS: 100

Note: Attempt any FIVE questions.All questions carry equal marks.

Q.1. Explain the DEBYE HUCKLE Theory of inter-ionic attraction while keeping in the mind the criticisms of Arhinius Theory of Electrolytic Dissociation.
b). Name the factors on which electrolytic conductance depends.

Q.2. a). Describe Gibbs-Helmholtz free energy equation and give its applications.
b). Calculate the Entropy change of an Ideal gas in terms of temperature and volume.

Q.3. Describe the IUPAC System for naming the Transition Metal Compounds with the help of examples at each step.

Q.4. a). Describe the various types of Orbital Hybridizations. How VSEPR Theory is applied for predicting the shapes of Molecules.
b). What is the electrode potential? Describe Measurement of electrode potential.

Q.5.a ) . What are the quantum potential? State their Signifinace .
b). Write note on the degeneracy and tunnel effect.

Q.6. a). Describe the manufacture of urea from Ammonia and carbon dioxide as gaseous raw material with the help of flow sheet diagram.
b). Discuss merits of constact process over LEAD CHAMBER process for manufacture of sulfuric acid.

Q.7. a). What is Schrodinger’s wave equation? Explain the significance of and ᴪ2
b). Derive an expression for decay constant for disintegration of a radioactive substance.
__________________
To succeed,look at things not as they are,but as they can be.:)
Reply With Quote
  #2  
Old Saturday, April 16, 2016
Amna's Avatar
Super Moderator
Moderator: Ribbon awarded to moderators of the forum - Issue reason: Best Moderator Award: Awarded for censoring all swearing and keeping posts in order. - Issue reason: Diligent Service Medal: Awarded upon completion of 5 years of dedicated services and contribution to the community. - Issue reason:
 
Join Date: Aug 2005
Location: Desert of Dream
Posts: 2,926
Thanks: 446
Thanked 1,987 Times in 1,041 Posts
Amna has much to be proud ofAmna has much to be proud ofAmna has much to be proud ofAmna has much to be proud ofAmna has much to be proud ofAmna has much to be proud ofAmna has much to be proud ofAmna has much to be proud of
Default

PUNJAB PUBLIC SERVICE COMMISSION
COMBINED COMPETITIVE EXAMINATION FOR
RECRUITMENT TO THE
POSTS OF
PROVINCIAL MANAGEMENT SERVICE, ETC. – 2015

SUBJECT: CHEMISTRY (PAPER-II)

TIME ALLOWED: THREE HOURS
MAXIMUM MARKS: 100

Note: Attempt any FIVE questions.Write answers in English.

Q.1. a). Explain the term “ Inductive effect” and discuss its role in the reactivity of organic compounds.
b). Explain
(i).Why a molecule having plane symmetry does not show optical activity ?
(ii).What is Huckel Rule for Aromaticity?
(iii).Why phenol show acidic behavior ?
(iv).What is importance of finger print region in IR-Spectrum?
(v).What is Oppenauer oxidation?
Q.2. a). Discuss acid and base catalyzed aldol condensation reaction of carbonyl compounds? What is its synthetic application?
b). Explain with examples:
(i).Resonance effect
(ii).Orientation in substituted naphthalene.
Q.3. a). What is conformational isomerism? Discuss conformational analysis of cyclohexane.
b). Discuss any four methods of resolution of a racemic mixture.

Q.4. a). Discuss different types of molecular transitions which are brought about by absorption of
(i).Ulteraviolet Radiation
(ii).Infra-red Radiation
b).Define following terms:
(i). Bathochromic Shift
(ii). Hypochromic Shift
(iii). Lamberts Law of Absorption
(iv). Overtones
(v). Fermi Resonance
Q.5. a). What is thin layer chromatography? Why it is advisable to aplly TLC to a mixture before Proceeding for Column chromatography?
b). Explain the following terms:
(i). Gradient elution
(ii). Retention Factor
(iii). Adsorption and partition chromatography
(iv). Condensation polymerization
(v). Mordanting in dying process
Q.6. a). What are liquid crystals? Discuss their types and applications.
b). Define detergents. Discuss their chemical classification and major applications.

Q.7. a). What are semi-conductors ? discuss role of doping in the preparation of n-type and p-type semi-conductors.
b). What are liquids ? Discuss their classification and role in living organism.
__________________
To succeed,look at things not as they are,but as they can be.:)
Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Treasure of Free Chemistry Books - Just Click & Download Free Chintoo2010 Chemistry 4 Saturday, July 14, 2018 12:28 PM
Psychology Paper 2015 anam9999 Psychology 1 Friday, March 27, 2015 10:29 PM
Whole Paper to be Solved in Persian in CSS 2015? Topper Persian 32 Monday, September 29, 2014 01:01 AM
Useful for Geography 2 paper imran memon Geography 0 Monday, May 21, 2012 03:50 PM


CSS Forum on Facebook Follow CSS Forum on Twitter

Disclaimer: All messages made available as part of this discussion group (including any bulletin boards and chat rooms) and any opinions, advice, statements or other information contained in any messages posted or transmitted by any third party are the responsibility of the author of that message and not of CSSForum.com.pk (unless CSSForum.com.pk is specifically identified as the author of the message). The fact that a particular message is posted on or transmitted using this web site does not mean that CSSForum has endorsed that message in any way or verified the accuracy, completeness or usefulness of any message. We encourage visitors to the forum to report any objectionable message in site feedback. This forum is not monitored 24/7.

Sponsors: ArgusVision   vBulletin, Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.