MVN Chemistry Diploma Previous Year Question Paper

Name of the College : MVN University
Subject Code/Name : AHL010-Chemistry
Year : Jan.2014
Degree : Diploma
Sem : I
Website : mvn.edu.in
Document Type : Previous Year Question Paper

Download Model Question Paper : https://www.pdfquestion.in/uploads/mvn.edu.in/3145-Chemistry1.pdf

MVN Chemistry Previous Year Question Paper

Time Allowed: 03 hours.
Maximum Marks: 100

Related : MVN University CAL201 Object Oriented Programming BCA Question Paper : www.pdfquestion.in/3139.html

Instructions

Before answering the question paper the candidate should ensure that they have been supplied the correct question paper. Complaints in this regard, if any, shall not be entertained after the examination.

January 2014

Note: Question No. 1 is Compulsory and attempt two questions from each section. All questions carry equal marks.
1(a) What is matter? Define the following terms giving two examples in each case:
a) Element (b) Compound (c) Mixture (4)
(b) Explain ionic bond with examples. (4)
(c) Explain Acid and Bases according to Bronsted and lowry theory, give two examples of acid and base. (4)
(d) Explain the following terms in detail: (4)
(i) Priming & Foaming, (ii) Scale & Sludge formation,
(e) Write definition of Oxidation and Reduction with two examples each. (4)

SECTION-A :
2(a) What is the definition of formula? Write significances of formula. Explain all the steps which are used in writing the formula of a compound with example. (8)
(b) Write definitions of solute, solvent and solution with examples. Explain some important methods of expressing the concentration of a solution? (12)
3(a) Write electronic Configurations of the following elements and draw their atomic models also –
7N14, 11 Na 23, 13Al27 , 19K39 (8)
(b) Write a short note on: (12)
(i) Aufbau principle (ii) Heisenberg’s Uncertainty principle
(iii) Hund’s Rule (iv) Isotopes and isobars.
4(a) Define pH and explain pH scale in detail. Write the applications of pH. (5+5)
(b) Find out the pH of a 0.001 M HCl. (3)
(c) Write the properties of acids and bases. Explain Arrhenius concept of acid and base by giving suitable examples. (7)

SECTION-B :
5(a) Define hardness. Explain types of hardness in detail. (10)
(b) Write types of water. Explain ion exchange process of removal of hardness of water. Which Chemicals are used in this method? (10)

6(a) Explain Faraday’s first and second Laws of electrolysis. (10)
(b) Define electrolyte and non electrolyte. Make diagram of dry cell and explain its working. (10)

7(a) What is a functional group? Write functional group of the following compounds: (6)
(i) Aldehydes (ii) Carboxylic acids (iii) Ethers (iv) Alcohols (v) Ketones
(b) Write the IUPAC names of the following compounds- (4)
(i) CH3-CH=CH-CH2-CH2–CH3 (ii) CH3-CH2-CH2-COOH
(iii) CH3-CH2-CH2-CH2OH (iv) C2H5-O-C2H5
(c) Explain the concept of Homologous series with examples. Give four characteristics of any Homologous series. (10)

June, 2013

Chemistry :
Subject Code: AHL-010
Time Allowed: 03 hours. Maximum Marks: 100
Before answering the question paper the candidate should ensure that they have been supplied the correct question paper. Complaints in this regard, if any, shall not be entertained after the examination.
Attempt any five questions and all questions carry equal marks.

Section – A :
1. (a) Explain matter, element, compound and mixture with examples. Differentiate between compound and mixture (10)
(b) Define atom, molecule and ion. Explain different methods of expressing the concentration of a solution? (10)

2. (a) Write short notes on: (8)
(i) Hund’s rule (ii) Aufbau’s principle
(b) Make atomic models and electronic configurations of following elements- 2He4, 8O16, 13Al27, 17Cl35, 19K39, 11Na23 (6)
(c) Explain Ionic bond and covalent bond with examples. (6)

3. (a) Write short notes on: (10)
(i) pH and pH scale (ii) Electrolytes and non-electrolytes
(iii) Arrhenius concepts of acids and bases
(b) What are the Buffers? Explain different types of buffers with examples (6)
(c) Write the properties of acids and bases. (4)

Section – B :
4. (a) Explain Priming and foaming. A sample of hard water contains 240 mg of MgSO4 per liter. Calculate the hardness of water in ppm and degree French. (molecular weight of MgSO4 =120 (7)
(b) Write types of hardness of water. Explain Ion Exchange method for removal of hardness of water. (8)
(c) Explain types of water. Write full form of EDTA, EBT, PPM (5)

5. (a) Write types of electrochemical cell. Explain the working of Daniel cell. (8)
(b) Define oxidation and reduction. Explain Faraday’s first and second Laws. (8)
(c) Differentiate between electrolyte and non electrolyte. (4)

6. (a) Write the formula and suffixes of alkanes, alkenes, alkynes, alcohols, aldehydes and carboxylic acids. Write IUPAC names of all alkanes, alkenes, alcohols and aldehydes containing carbon 1 to 10 (C=1 to C=10) (10)
(b) Explain classification of organic compounds. (5)
(c) Explain the concept of Homologous series with examples. Give characteristics of Homologous series. (5)