Day 1 concepts Flashcards
Reaction of acetone with methyl magnesium bromide, followed by protonation produces a:
Tertiary Alcohol
Which among the following materials is most reactive towards SN2 reaction?
a. 2-chloro-2-methylpropane
b. 2-chloropropane
c. 1-chloropropane
d. All of the choices above have the same reactivity towards SN2
1-chloropropane
Name the compound: CH2CHC(CH2CH3)2CH3
3-ethyl-3-methyl-1-pentene
Which among the following aromatic compounds is more reactive than benzene towards aromatic substitution
a. Chlorobenzene
b. Nitrobenzene
c. Phenyl ethanoate
d. Ethyl benzoate
Phenyl Ethanoate
Which among the following is a constitutional isomer of trans-2-pentene
a. Cyclopemtene
b. Cis-2-pentene
c. N-pentane
d. 2-methyl-butane
a. Cyclopentane
Which among the following statements about covalent bond is/are correct?
a. sigma bonds possess lower energy than pi bonds due to its hybridization
b. SP3-hybridized MO’s typically form tetrahedral electronic geometry
c. tertiary carbocations are relatively stable, and more easily formed than secondary carbocations
d. All of these are correct
d. All of these are correct
Esterification can be achieved by reacting the following pairs of reagents:
a. Alcohol and Carboxylic Acid
b. Alcohol and Acid Anhydride
c. Alcohol and Acyl Halide
d. All of these
All of these
Butanol is ________ volatile than diethyl ether since it could form stronger IMFA through ________
less; H-bonding
Alcohols can be synthesized through these rections
I. reduction of carboxylic acid
II. Oxidation of aldehyde
III. Alkyl Halide Substitution
I, III
Which functional group/s do not react through electrophilic addition
a. Alkanes
b. Alkenes
c. Alkynes
d. None of these
Alkanes
T, T, T, T
A chemical engineer was advised to choose an appropriate air pollution controlling device for his work in cement production. The air pollutants are characterized by small cement dust particulates and very hot gas temperature from cement kilns. Which of the following should he/she choose
a. Venturi Scrubber
b. Baghouse filter
c. Cyclone separator
d. Electrostatic precipitator
d. Electrostatic precipitator
At what part of the atmosphere is the ozone layer found
Stratosphere
A plastic with a RIC of 6 and is an inexpensive, lightweight, and easily formed plastic with variety of uses. This includes plates, cups, and compact disc cases
PS
A laboratory worker has requested your advice on a shield for a work she is doing with high energy beta particles. What should be recommended
6-12 mm Lucite
Nuclear
B. the atom is almost an empty space
b. electron < proton < neutron
d. Balmer Constant
a. orbital
b. isotope
C. Angular Momentum Quantum Number
b. Pauli’s Exclusion Principle
B. Electron Affinity
A. Valence Bond Theory
a. bond order
d. BeCl2
b. Homogenous Equilibria
