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.Management Sciences
Category: Chemistry Mcqs
Reacting bromine with benzene in the presence of sunlight will result in_______________?
0
A. The rupturing of benzene ring
B. Substitution reaction
C. Addition reaction
D. No-reaction
Which alkyl halide has the highest reactivity for a particular alkyl group ?
A. R-F
B. R-C
C. R-Br
D. R-I
18g glucose is dissolved in 90g water the relative lowering in vapour pressure is equal to ___________________?
A. 8
B. 5.1
C. 6
D. one/fifty one
The environment in which a system is studied is __________________?
A. State function
B. phase
C. surrounding
D. state
Which of the following do not give aldol condensation reactions ?
A. formaldehyde
B. acetaldehyde
C. diemthyl ketone
D. propionaldehyde
Non-stoichiometric compounds of transition elements are called___________________?
A. hydrates
B. hydrides
C. binary compounds
D. interstitial compounds
Nucleic acids were first demonstrated in_________________?
A. Pus cells
B. Sperm heads
C. 1872
D. all of the above
Ionization energy in a period generally ___________________?
A. Increases
B. Decreases
C. No change
D. Variable trend
When the atoms of third layer are arranged in such a way that they directly lie above the atoms of first layer then this arrangement is called_________________?
A. ABAB (hexagonal)
B. ABCABC (Cubic)
C. Orthor hombic
D. Rhombohedral
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