ECAT Chemistry Chapter 17 Transition Elements Online Test With Answers

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ECAT Chemistry Chapter 17 Transition Elements Online Test

Sr. # Questions Answers Choice
1 Which metal is used for catalytic hydrogenation of oils Cu Pt Ni Pd
2 The amount of Ni in stainless steel is 3% 4% 5% 8%
3 Interstitial compounds have Half formula Fixed formula Indefinite formula None
4 Bronze is an alloy of Cu and Zn As Sb Sn
5 The color of Cr3+ion is Violet Blue Pink Green
6 Bell metal is an alloy of Sn and Copper Iron Zinc Magnesium
7 [Zn(NH3)4]3+possess geometry Square plannar Hexagonal Tetrahedral None of these
8 Most transition elements show Diamagnetic behavior Ferromagnetic behavior Paramagnetic behavior None of these
9 Out of 110 known elements, transition elements are 40 60 50 80
10 The Mn3+has ______ color Violet Green Red/brown No color
11 [Cu[NH3)4]+2will form ______ structure Square planar Tetrahedral Octahedral Trigonal bipyramidal
12 The less reactivity of transition metal is due to High heats of sublimation High ionization energies Low heats of salvation All these
13 Cu2+with d9electronic configuration appears Yellow Pink Blue Green
14 The colour of the transition metal compounds is due to p-d transition d-d transition s-p transition None of these
15 Transition metals form complexes due to the participation of partially filled f-orbitals d-orbitals s-orbitals p-orbitals
16 The total number of d-bock transition element is 10 14 40 30
17 Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is 2- 4 1 6
18 The colour of transition metal complexes is due to d-d transitions of electrons Para magnetic nature of transition elements Ionization Loss of s-electrons
19 The percentage of carbon in different types of iron products is in the order of Cast iron > wrought iron > steel Wrought iron > steel > cast iron Cast iron > steel > wrought iron Cast iron = steel > wrought iron
20 Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate [Pt(NH<sub>3</sub>)<sub>4</sub>(NO<sub>2</sub>)] SO<sub>4</sub> [Pt NO<sub>2</sub>CI(NH<sub>3</sub>)<sub>4</sub>] SO<sub>4</sub> [Pt CI(NO<sub>2</sub>) (NH<sub>3</sub>)<sub>4</sub>] SO<sub>4</sub> [Pt (NH<sub>3</sub>)<sub>4</sub>(NO<sub>2</sub>) CI] SO<sub>4</sub>
21 Group VIB of transition elements contains Zn, Cd, Hg Fe, Ru, Os Cr, Mo, W Mn, Te, Re
22 Which is used to identify Cu2+ions Nitric acid Sulfuric acid NaOH HCI
23 f-Block elements are also called Non typical transition elements Outer transition elements Normal transition elements Inner transition elements
24 Which of the following is a typical transition metal Sc Y Ra Co
25 Which of the following is a non-typical transition elements Cr Mn Zn Fe
26 Which is not a bidentate ligand <br>
27 Steel may be manufacture by two processes which two are correct Open hearth process and besemer process Open hearth process and Haber process Bassemer process and Haber process Contact process and Haber process
28 The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal sp<sup>3</sup> dsp<sup>2</sup> dsp<sup>3</sup> d<sup>2</sup>sp<sup>3</sup>
29 Potassium hexacyanoferrate (II) has the formula K<sub>4</sub>[Fe(CN)<sub>6</sub>] K<sub>3</sub>[Fe(CN)<sub>6</sub>] K<sub>2</sub>[Fe(CN)<sub>6</sub>] K [Fe(CN)<sub>6</sub>]
30 A transition metal complex can be recognized by various terms. Which is not the proper term Central metal ion Coordination number Ligand Geometry of complex
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