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.Management Sciences
Category: Diagnostic Test
Which specie has unpaired electrons in antibonding molecular orbitals_______________?
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A. O2+2
B. N2-2
C. B2
D. O2-2
The molecules of CO2 in dry ice form__________________?
A. Ionic crystal
B. Covalent crystal
C. Molecular crystal
D. Any type of crystal
Stronger is the oxidizing agent greater is the___________________?
A. Oxidation potential
B. Redox potential
C. e.m.f of cell
D. standard reduction potential
Ethy1 chloride on reduction in the presence of Zn/HCI produces___________________?
A. n. butane
B. Ethanol
C. Ethane
D. Diethy1 ether
For industrial preparation of CH3CHO catalytic promoter is_________________?
A. PdCl2
B. Cu2Cl2
C. CuCl2
D. PbCl2
In 1 – pentene -4- yne the carbon exhibit hybridization_________________?
A. sp3 – sp2
B. sp2 – sp
C. sp2 – sp
D. sp3 – sp2 – sp
Which element has same isotopes like palladium___________________?
A. Nickel
B. Calcium
C. Cadmium
D. Tin
Industrial materials thermal power stations are coated with__________________?
A. Polyester resins
B. Epoxy paints
C. polyamide resins
D. Polyvinyl chloride
Which one does not exhibit aldol condensation___________________?
A. Ethanal
B. Acetone
C. Benzaldehyde
D. Butanone
Which one is not the use of silicones________________________?
A. Lubricant
B. Water repellent film
C. Rubber sheet
D. Medicine
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