www.mlsu.ac.in TDC Exam Chemistry : Model Question Paper Mohan Lal Sukhadia University

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Document Described : Model Question Paper - Mohan Lal Sukhadia University
FIRST YEAR T.D.C. EXAMINATION , 2012
(FACULTY OF SCIENCE )
CHEMISTRY
Paper I
Time : Three hours Maximum marks : 75

Model Question List : http://mlsu.ac.in/model/B.Sc.html
Model Question Paper : http://mlsu.ac.in/model/Annual%20PDF...%20P-I.MCQ.pdf

PART-A [Mark : 45]
Time : One and half hours
Answer all questions. All questions carry equal marks, Each question in this section have answer given as four choices marked as a, b, c, d out of which only one will be the correct answer.

PART-B [Mark : 50]
Time : One and half hours
Answer any three questions out of five. All questions carry equal marks.

PART-A
1 Which of the following contains a covalent coordinate bond?
(a) BF3 (b) NH4CL
(c) NH3 (d) S8

2 Which hydrogen halide has highest dipole moment.
(a) CH4 (b) H2O
(c) H2S (d) BF3

3 Structure of SiF4 is same as
(a) XeF4 (b) SF4
(c) CCI4 (d) NO3

4 Arrangement of CI- ion in CsCI
(a) hep (b) CCP
(c) BCC (d) Cubic

5 Dry ice is name given to
(a) Si (b) Solid CO2
(c) Solid CO (d) Carbony1 Sulphide

6 Inorganice benzene is
(a) BH3O3 (b) B3N3H3
(c) B2H6 (d) B6H10

7 Formula of Pernitric acid is
(a) HNO2 (b) HNO3
(c) HNO4 (d) H 2NO4

8 Hypophosphorous acid behaves as
(a) Monobasic (b) Dibasic
(c) Tribasic (d) Tetrabasic

9 Which metal not gives colour to flame
(a) Be (b) Ca
(c) Ba (d) Sr

10 Type of Bonding pr in O-chloro phenol
(a) Inter molecular H-bonding (b) Intra molecular H-bonding
(c) Vanduval’s force (d) Ionic bonding

11 Silicon shores diagonal relationship with
(a) AI (b) Be
(c) B (d) Mg

12 In perokides oxidation no. of oxygen is -
(a) -2 (b) -1
(c) -½ (d) 0

13 In B2H6 Which type of bonding is present
(a) 2C – 2e (b) 3C – 2e
(c) 3C – 3e (d) 1C – 2e

14 Magnetic character of O2 + is
(a) Paramagentic (b) Diamagnetic
(c) Non-magnetic (d) Ferromagnetic

15 Which species do not show resosance
(a) CO3 (b) Benzene
(c) Phenol (d) Phenokide ion