PPSC Chemistry Part III Inorganic Chemistry Online Test With Answers

image
image
image

PPSC Chemistry Part III Inorganic Chemistry Online Test

Sr. # Questions Answers Choice
1 On hybridization of one s and one p orbitals we get. Two mutualy perpendicular orbitals Two orbitals at 180<sup>o</sup> Four orbitals directed tetrahedrally Three orbitals in a plane
2 The hybridization of sulphur in sulphur dioxide is. sp sp2 sp3 dsp2
3 The hydrogen bond is strongest in. O - H .............S S - H.............O F- H....................F F - H...............O
4 Which of the following bonds between carbon -carbon is teh strongest. Sigma bond Pi bond Double bond Triple bond
5 Which one of the following has a linear structure. H2O CO2 <font face="sans-serif, Arial, Helvetica, sans-serif"><span style="font-size: 13px;">NO2</span></font> SO2
6 Co ordinate covalent bond found is formed by the Transference of electrons Sharing of electrons Donation of electrons None of these
7 The most important conditions for the formation of ionic bond are. High ionization energy of the metallic atom and high electron affinity of the non metallic atom. Low ionization of the metallic atom and low electron affinity of the non metallic atom. Low ionization energy of metallic atom and high electron affinity of the non metallic atom High ionization energy of the metallic atom and high electron affinity of non metallic atom.
8 Which of the following have identical bond order. CN- and O2- CN - and NO+ O2- and CN+ NO+ and CN+
9 Which of the following is diamagnetic O2 O2+ O2- O2 <sup>2-</sup>
10 The order in O2+ is 1.0 1.5 2.0 2.5
11 Which one of following is paramagnetic and has the bond order equal to 0.57 N2 H2+ O2 F2
12 Of the molecules, SF4, XeF4, and CF which has square planar geometry. SF4, XeF4 and CF4 Sf4 only CF4 only XeF4
13 Which of the following is planar? CH2Cl2 CHCl3 CCl4 C2H2
14 Which of the following does not apply to metallic bond. Overlapping valence orbitals Mobile valency electron Delocalized electrons Highly directed bonds
15 Strength of H bond in inter mediate between Van der Waals forces and covalent bond Ionic and covalent bond Ionic and metallic bond Metallic and covalent
16 An sp3 hybrid orbital contains 1/4 a character 1/2 a character 2/3 a character 3/4 a character
17 Bond angle is minimum in H2O CO2 NH3 CH4
18 Among LiCl, BeCl2, BCl3, and CCl4 the covalent bond character follows the order. LiCl &lt; Becl2&lt; Bcl3 &lt; CCl4 LiCl &gt; BeCl2 &lt; BCl3&lt;CCl4 LiCl&lt; Becl2 &lt; BCl3 &lt; CCl4 LiCl &gt; Becl2 &gt; BCl3 &lt; CCl4
19 The pair of molecules or ions having identical geometry is. BCl3, PCl3 BF3, NH3 CHCl3, CCl4 SiCl4, CCl4
20 Which of the following bonds will be non polar. N - H O - H C - H C l - Cl
Download This Set

Is this page helpful?

×