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.Management Sciences
Category: Chemistry Mcqs
Anything which depends upon initial and final state of a system is_______________?
0
A. environment
B. surrounding
C. state function
D. enthalpy
The resonance energy of benzene is__________________?
A. 150.5 kJ/mol
B. 250.5 kJ/mol
C. 150.5 Cal/mol
D. 250.5 Cal/mol
When alcohol reacts with phosphorous halides it geive____________________?
A. alkyl halides
B. alkyl amine
C. alkanes
D. alkynes
The organic acid that can be made from ethanol is_________________?
A. Acetic acid
B. Formic acid
C. Butanoic acid
D. Citric acid
Which of the following is a symmetrical ketone___________________?
A. 3 – hexanone
B. acetone
C. butanone
D. 2-pentanone
For which mechanisms the first step involved is the same ?
A. E1 + E2
B. E2 + SN2
C. E1 and SN1
D. SN1 and SN2
Which electronic configuration corresponds to an element of group IIIA ?
A. 1s2 2s2 2p3
B. 1s2 2s2 2p6 3s2 3p1
C. 1s2 2s2 2p4
D. 1s2 2s2 2p6 3s2 3p6 4s2 3d1
At low temperature and pressure cracking can be done in presence of catalyst________________?
A. Al2O3
B. Fe2O3
C. Al2O3 and SiO2
D. Fe2O3 and SiO2
The distinction test for primary secondary and tertiary alcohol required to react each of them is_________________?
A. Cone. HCI and anhydrous SOCl2
B. Cone. HCI and anhydrous CaCl2
C. Cone. HCI and anhydrous PCl2
D. Cone. HCI and anhydrous ZnCl2
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