Chemistry (G) 2021 | General | 2nd Semester | Chemistry General Paper | T(2nd Sm.)-Chemistry-G/(GE/CC-2)/CBCS | B.Sc. Question paper | 2021 Question PDF Download| C.U. Question Paper| Calcutta University| B.Sc. 2nd Semester Question paper |
Calcutta University Question Paper
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Name of the Examination : Calcutta University Examination
Paper: General (GE/CC - 2)
Year : 2021
Full Marks: 50
Subject : Chemistry(G)
Category : Calcutta University Question Paper
T(2nd Sm.)-Chemistry-G/(GE/CC-2)/CBCS
2021
CHEMISTRY — GENERAL
Paper : GE/CC - 2
Full Marks : 50
Candidates are required to give their answers in their own words
as far as practicable.
[English Version]
The figures in the margin indicate full marks.
1. Answer any twenty questions: 1×20
(a) Identify the following as open, closed or isolated system:
- (i) The Universe
- (ii) Water at 100oC, kept in a beaker.
(b) State the zeroth law of thermodynamics.
(c) Which of the following are intensive properties?
- (i) Molar heat capacity
- (ii) Entropy
- (iii) Free energy
- (iv) Molar volume.
(d) Draw the P-V curve for reversible isothermal and adiabatic expansion of an ideal gas in the same set of P-V axes.
(e) If one mole of an ideal gas performs an adiabatic reversible expansion, then what will be the value of its entropy change (∆S)?
(f) Write down the relation between Kp and Kx. Do the values of Kp and Kx depend on pressure?
(g) Write two possible reasons for deviation of ideal behaviour of a solution.
(h) Give an example of a liquid pair that shows Upper Critical Solution Temperature (UCST).
(i) Calculate the number of lattice points per unit cell in a face centred cubic lattice.
(j) Calculate Miller indices if Weiss indices of a crystal plane is (2: 1: α).
(k) Write the name of the type of crystal system that has the highest number of symmetry elements.
(l) Define the term ‘degrees of freedom’ in connection with phase equilibrium.
(m) What is Lindlar’s catalyst?
(n)
(o) Name the product obtained from the Ozonolysis of 2-Butene.
(p) Write the names of any two metals other than Na that can be used in Wurtz reaction.
(q) CH3 – CH = CH2 + HBr (peroxide)→ B, identify B.
(r) Define sample standard deviation.
(s) What is secondary memory of a computer? Give an example.
(t) Write the name of one input and one output device of a computer.
(u) What do you mean by standard hydrogen electrode?
(v) What is the value of 2·303 RT/F at 298 K? Show calculation.
(w) Write the name of an indicator used in oxidation-reduction reaction.
(x) The oxidation potential of Ag/Ag+ is –0·7996 V. What is the reduction potential of the couple?
2. Answer any fifteen questions: 2×15
(a) Derive CP-CV=R for an ideal gas, where terms have their usual meaning.
(b) 2 moles of an ideal gas undergo an adiabatic reversible expansion. In this process, the temperature of the gas decreases from 120oC to 50oC. Calculate the work done by the gas (γ= 1·667).
(c) State and explain Hess’s Law of constant heat summation with suitable example.
(d) Can the efficiency of Carnot’s engine be 0 or 1? Explain briefly.
(e) Define entropy and write down its physical significance.
(f) For a spontaneous process, ∆Ssystem is negative. Would it be exothermic or endothermic?
(g) For what conditions, the value of Kp and Kc will be equal for a gaseous reaction? Give an example.
(h) An azeotrope is not a chemical compound— justify.
(i) Applying Le Chatelier’s principle, discuss briefly the effect of temperature and pressure on the equilibrium state in the synthesis of ammonia.
(j) Write Steno’s law of crystallography.
(k) What is Kolbe synthesis? Explain with a suitable example.
(l) CH3CHBr – CH2Br + Zn(heat)→ [A]; identify [A].
(m) Convert (123)10 to binary system.
(n) Perform the addition of two binary numbers (11010) and (10111).
(o) Define systematic and random error.
(p) What is solvent extraction? Write one application of solvent extraction.
(q) Balance the following equation by ion-electron method:
(r) Write down Nernst equation explaining all terms.
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Calcutta University Question Paper 2020:
The University of Calcutta takes the entrance exam for selecting candidates. But now days CU published merit list according to obtain marks in previous exam. If any college takes entrance exam in order to admission then students should practice his/her subjects from previous year question paper as our website uploaded several years of question paper you will find in “page” name “CU” in our website. Therefore, all the students must download the Calcutta University Question Paper in PDF from this website or you can download question paper from official website of CU. Previous year question paper will help you to know the pattern of Calcutta university question paper. It can surely help you that what type of question can come in the admission test of CU or other exam like sem ester examination in CU. Therefore, it is very important for all the students to download.
Download Calcutta University Question Papers Last 10 Years in PDF.
Last 10 years Question Paper will help you to prepare for your upcoming Calcutta university examinations. You can download all subjects question paper for general and honours courses here. All papers coded like GE, CC-I, CC-II all these types of question paper you can download from this website as we upload all papers.
You can also download Old Question Papers of Semester Exams will help you to prepare the important topics which are recurrent in the exams. Therefore, in this content, we are giving full description on Calcutta University Question paper.
Question Papers of Calcutta University
The interested candidates who want to study any course from the university must fill the Calcutta University Application Form 2020. However, the admission for Graduate (Honours and General), Postgraduate and Ph.D. courses is on the basis on written entrance exam. So, the candidates should practice well for the entrance examination by solving Calcutta University MA Entrance Exam Question Papers in order to score good marks in the exam. Therefore, in this content, we are giving all important details regarding the Calcutta University Model Papers and general instructions for the candidates. So, it will surely help the students to get good marks in exam as well as in semester exam.
Therefore , interested candidates who want to download the question paper of Calcutta university all categories examination can download question paper easily by just clicking on “CLICK HERE” text which is given below. Apart from all question papers you will get sample papers for practice.
How to Download Question Papers of Calcutta University 2020?
It is very easy to get question paper of Calcutta university all examination. You can download all courses question paper Calcutta University BA(General & Hons)/B.Sc (General & Hons)/B.Com (General & Hons)/MA/Msc/M.Com
Entrance Model Papers are available in PDF format. Therefore, the candidates can download the previous year question papers and last 10 years question paper of various courses here or from the official website of the university. However, if you want to get good marks in exam then you should start focus on previous year question paper and start solving each paper of subject by himself/herself. Because these question papers are really beneficial for the students to know the actual pattern of the question paper and the important topics for the examination. Also, the candidates can download the Calcutta University Question Papers from the official website of the university.
If you to download Question Paper of Calcutta University from official website of Calcutta University you need to follow these steps given below
How To Download Calcutta University Question Paper :
· At First you have to visit the official website of Calcutta University and click on the section of “Students Corner”
· Then search for the Entrance exam and semester wise question papers you want along with the subject.
· After that click on the link , you are able to download the question papers.
· So, in the next step, you will find the link on the same page to download the question paper official site of Calcutta University.
· Click on the download link and wait for while and find out the document
· Finally, the candidates can access the question papers from their documents. Moreover, they should practice those question paper in order to secure a good rank in the examination.
Model test papers or previous year question paper are very important for those students who are currently a part of university. As they get lots of information about the pattern and get full knowledge of question paper pattern. However, students who are in part of any course in college which is under Calcutta University will get all pattern regarding question paper of CU.
So, if a candidate prepares himself/herself carefully through practicing model test papers and previous year question papers, then his/her chances of getting good marks increases. Therefore question papers are meant to make the candidates aware of the exam pattern for their upcoming examination. It is also increases the knowledge of time according to question numbers. Therefore, the students need to pay a full attention to solve the previous year question papers for the entrance exam.
Download question Paper in PDF CLICK HERE
If you regularly solving the previous year question or model question paper, it will surely enhance your confidence level.
Therefore, the aspirants need to manage the time while practicing for the exam. Also, Time Management helps in scoring more marks and ultimately securing a good rank in the merit list. Therefore, the candidates must prepare by solving the Calcutta University Question Papers before appearing for the main exam.
Therefore , if you follow this steps of study move carefully or gradually it will sure help you to get secure marks in entrance exam as well as semester exams.
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