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First Year Chemistry MCQs Online Quiz Test
Q.1: Atomic radius can be determined by———?
- X – ray diffraction
- Optical microscope
- Electron microscope
Q.2: For which system does the equilibrium constant Kc has unit of (concentration)-1———?
- N2+3H2 2NH3
- H2+I2 2HI
- 2NO2 N2H4
- PCI5 PCI3+CI2
Q.3: 18g glucose is dissolved in 90g water the relative lowering in vapour pressure is equal to ———-?
- one/fifty one
Q.4: Stronger is the oxidizing agent greater is the———-?
- Oxidation potential
- Redox potential
- e.m.f of cell
- standard reduction potential
Q.5: Which is true about Zn-Cu galvanic cell ?
- Reduction occurs at anode
- K+ ion transfer from salt bridge to left beaker of ZnSO4
- Oxidation occurs at cathode
- Anode is negatively charged
Q.6: Nitrates of which pair gives different products on thermal decomposition———-?
- Na K
- Mg Ca
- Li Na
- Li Ca
Q.7: Alkanes containing a methyl group on main chain at 2nd carbon are called——–?
Q.8: Alkanes are also known as——–?
- saturated hydrocarbon
- unsaturated hydrocarbon
- both A And C
Q.9: Hydrogenolysis results in the formation of——–?
Q.10: Removal of CO2 is called———–?