PPSC Chemistry Part III Inorganic Chemistry Online Test With Answers

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PPSC Chemistry Part III Inorganic Chemistry Online Test

Sr. # Questions Answers Choice
1 According to SHAH concept the Lewis bases were classified on the basis os. Charge ion size Polarization consideration Electron and co coordinating ability All of above
2 According to SHAB, Lewis acid are divided into. Two classes Three classes Four classes None of above
3 According to Usanovich concept a base is defined as any species. Capable of giving up anions Combining with cations Neutralizing an acid to give a salt All of above
4 Lux -Flood concept is a dono-acceptor system of. Proton Electron pair Neurtron Oxide ion
5 Lewis concept explain the formation of Ionic bond Covalent bond Co-ordinate bond Chemical bond
6 Bases and reducing agents are electron giving agents and also called as. Electrodotic Electrophile Nucleophile None of above
7 The concept is also known as electron pair donor acceptor system. Bronsted Lowery Lewis Lux -Flood Usanovich
8 The concept is also known as proton donor acceptor system. Bronsted Lowery Lewis Lux Flood Usanovich
9 Arrhenius concept explained Constant heat of neutralization Quantitative determination of acid base strength Catalytic property of acid All above
10 "Acids are substance whose aqueous solutions turned blue litmus red and tasted sour" stated by Davy Liebig Boyle Rouelle
11 How many sigma and pi bonds are there in a CO2 molecule. 2 sigma 2 sigma and 4 pi 2 sigma and 2 pi 4 sigma and no pi
12 Which of the following interaction is the strong. Dipole -dipole Ion induced dipole Ion -dipole Dipole induced diple
13 Covalent compound are soluble in Polar solvents Non polar solvent Concentrated acids All solvent
14 The maximum covalence of an element equal to. The number of unpaired d electrons The number of paired p electrons The number of unpaired a and P electors The actual number of a and P electrons in the outermost shell
15 Arrange the following in order of increasing boiling point. CH3OH < CH3Cl < RbCl < CH4 CHOH < CH4 < CH3Cl < RbCl RbCl < CH3Cl < CH3OH < CH4 CH4 < CH3Cl < CH3OH < RbCl
16 Which of the following statements is worng. Covalent compounds are generally soluble is polar solvents Covalent compounds have low melting and boiling point. Ionic solids do not conduct electricity is solid state Ionic compounds conduct electricity in the fused state.
17 Which of the following statements is wrong. Covenant compounds are generally soluble is polar solvents. Covalent compounds have low melting and boiling points Lower than that of separate H atoms Sometimes lower and sometimes higher than that of separate H
18 Which two atoms of hydrogen combine to form a molecule of hydrogen gas. the energy of the hydrogen molecule is. Higher than that of separate H atoms Equal to that of separate H atoms Lower than that of separate H atoms Sometimes lower and sometimes higher than that of separate H.
19 The boiling point of water is unexpectedly high because. H2O molecule in linear Sp3 hydrogen bonding is involved in the formation of water There is hydrogen bonding and consequent association of H2O molecules. Oxygen is the first member of the VI group
20 Which of the following statements regarding covalent bond is false. The electrons are shared between atoms. The bond in non -directional The strength of the bond depend upon the extent of overlapping The bond formed may be polar or non-polar
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