Five Year Integrated M.Tech Course in Cosmetic Technology
(Semester (CBCS) Examination January-2019
FUNDAMENTAL CHEMISTRY I
Time: 2½ Hours Max. Marks: 70
Instructions: All questions are compulsory.
Answer to all questions are to be written in one answer book only.
All questions carry equal marks.
Figures to the right indicate full marks.
Draw neat labeled diagram wherever necessary.
Use of calculator and log table is allowed.
Q.1 Select the most correct alternative and rewrite the answer. 14
Which molecular formula indicates 2-methylpentane?
C5H12 C6H14
C5H10 C6H12
How many isomers are possible for pentane?
2 3
4 5
The carbon atom involved in the double bond of alkene are
sp hybridized sp2 hybridized
sp3 hybridized None of these
In the reaction of CH3CH=CH2 with HCl, the H of the HCl will becomes
attached to which carbon.
C-1 C-2
C-3 C-4
Melting points of states of matter depend upon strength of.
Intermolecular forces Volume
Molecules Atoms
What is the unit of viscosity?
Newton Poise
Gram/mol None
Acetone contains
bonds 1 bonds
bonds 2 bonds 9
Which of the following will have the highest boiling point?
Methanol Ethanol
Propanol Butanol
In the carius method for the estimation of halogens, the sample is heated
with.
Conc. HNO3 Conc. H2SO4
Conc. HNO3 and AgNO3 None of these
10) Ethyl bromide reacts with NaSH to give.
CH3CH2CH2SH CH3SCH3
CH3CH2CH2CH2SH CH3CH2SCH2CH3
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SLR-CW-3
11) Osmotic pressure is a type of.
Force Friction
Work Electric field
12) The shape of liquid molecule in absence of external force is determined by
Surface tension of liquid Density of liquid
Viscosity of liquid Temperature
13) Interaction between highly electron deficient hydrogen and highly
electronegative atom is called
Covalent Ionic
Dipole-dipole interaction Hydrogen bond
14) The number of moles of solute present in I kg of a solvent is called
Molality Molarity
Normality Formality
Q.2 Answer the following. (Any four) 08
Define the term cycloalkane.
Define the term Ether.
What is monocarboxylic acid?
Write the IUPAC name of CH3CH2CHO.
What is dipole moment and mention unit of dipole moment?
Write notes on. (Any two) 06
Cis-trans isomerism
Detection of Halogens
Parachor
Q.3 Answer the following. (Any two) 08
Explain the SP2 hybridisation of alkene.
Explain the Wittig reaction with suitable example.
Explain viscosity with example.
Answer the following. (Any one) 06
How are thioethers prapred? Discuss their chemical properties.
Explain the osmosis with example.
Q.4 Answer the following. (Any two) 10
Discuss diens with suitable examples.
Explain preparation and chemical reaction of Aldehyde.
Define intermolecular forces and its impact on state of matter.
Answer the following. (Any one) 04
An organic compounds has been found to posses the empirical formula
CH2O and molecular weight 90. Give its molecular formula.
Explain the physical properties of liquid with suitable example.
Q.5 Answer the following. (Any two) 14
Explain the preparation method of alkene. Discuss the physical and
chemical properties.
Discuss the Mrkovnikov rule with suitable example.
Discuss state of matter with intermolecular forces.