MDCAT Chemistry Chapter 11 S and P Block Elements Online Test With Answers

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MDCAT Chemistry Chapter 11 S and P Block Elements Online Test

Sr. # Questions Answers Choice
1 [Ti (H20)6]3+ ion isin colour. Yellow Blue Violet Red
2 The energy difference of d-orbitals varies from Atom to atom lon to ion Electron to electron proton to proton
3 Which of the following are responsible for the colour developed in transition elements compounds? s-orbitals p-orbitals d-orbitals f-orbitals
4 Transition compounds which occur as tripositive ions have no 4s-electron 3p-electron 3s-electron 2s-electron
5 TiCl4 is used as catalyst for manufacture of Sulphuric acid Plastics Ethanol Tetraethyl lead
6 Catalyst used for ammonia synthesis is Cu Co Zn Fe
7 When light is exposed to transtion element, then electrons jump from lower orbitals to higher orbitals in Orbitals of s-subshell Orbitals of d-subshell Orbitals of p-subshell between different shells
8 d-d transition cannot be shows by Cu+1 Sc+3 Zn+2 All
9 Ti+3 shows minimum absorption (maximum transmittance) at-------and-------wavelength Yellow, Green Red. Yellow Blue. Green Red. Blue
10 Number of electrons involved in d-d transition of [Ti(H2O)6]+3 1 3 2 4
11 Which of the following transition metal forms colourless compounds in +4 oxidation state? Ti Cr Cu Zn
12 Which of the folowing compound is expected to be colored Na2SO4 ZnCl2 MgF<sub>2</sub> CuF<sub>2</sub>
13 The highest oxidation state of manganese is +7 -7 +6 +4
14 The oxidation state of transition elements is usually Variable Single Constant Infinite
15 Zine does not show variable oxidation state, because Its d-subshell is incomplete Its d-subshell is complete It is relatively soft metal It has two electrons in outermost shell
16 At which oxidation state Cu achieves electronic configuration of Zn+2 0 +2 +1 +3
17 The element which shows highest binding energy V T So Cr
18 Which of the followings has electronic configuration of Ar in +3 oxidation state Sc Mn Ti Zn
19 What is the sequence of electron take up and removal from 4s orbital a transition metal in 3d series? Enters first, leaves after 3d electrons removal Enters after 3d electrons, leaves after 3d electrons Enters after 3d eleetrons, leaves first Enters first and leaves first
20 Variable Oxidation state of is related to transition elements empty d-subshells Completely filled Partially filled d-subshell d-d transition
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