ECAT Pre Engineering Chemistry Chapter 17 MCQ Test With Answer

Top Scorers Of ECAT Chemistry Chapter 17 Transition Elements MCQ`s Test

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Sr. #	Question	Answer
1	Which of the following acts as ligand	A. NH₃ B. NH₂-- CH₂-- CH₂-- NH₂ C.C₂O^2-₄ D. All these
2	Transition metals form complexes due to the participation of partially filled	A. f-orbitals B. d-orbitals C.s-orbitals D. p-orbitals
3	The total number of inner transition elements in the periodic table is	A. 10 B. 14 C.28 D. 30
4	Group VI-B of transition elements contains:	A. Zn, Cd, Hg B. Fe ,Ru ,Os C.Cr, Mo ,W D. Mn, Te, Re
5	In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because	A. The 3rd orbital is of lower energy than 4s B. The 4s orbital is of equal energy to 3d orbital C.The half filled d-subshell is more stable than incomplete d-sub shell D. 6 unpaired electrons make Cr more paramagnetic
6	The protection of steel by chrome plating is due to	A. Cathodic protection B. Anodic protection C.Covering of steel surface D. Formation of alloy with iron
7	Which element has 4 unpaired electrons in 3d-orbital	A. Chromium - 24 B. Manganese - 25 C.Iron - 26 D. Cobalt - 27
8	Interstitial compounds have	A. Half formula B. Fixed formula C.Indefinite formula D. None
9	Which of the following transition metal ions will have definite value of magnetic moment?	A. Se³⁺ B. Ti³⁺ C.Cu⁺ D. Zn²⁺
10	Corrosion of iron can be prevented by coating the surface with	A. Zn B. Sn C.Ni D. Any of the above
11	Which period starts from ₁₁Sc to ₃₀Zn ?	A. First Period B. Second Period C.Third Period D. 4th Period
12	Bronze is an alloy of Cu and	A. Zn B. As C.Sb D. Sn
13	Transition elements are called so because:	A. Form interstital sompounds B. have high m.p C.In between 's' and' 'p' block elements D. All of these
14	During oxidation in k₂Cr₂O_{7, Cr VI changes to :}	A. I B. II C.III D. IV
15	Bell metal is an alloy of	A. Cu, Zn, and Sn B. Cu, Zn and Ni C.Cu and Zn D. Cu and Sn
16	What is the shape of Fe(CO)₅molecule?	A. Tetrahedral B. Octahedral C.Trigonal bipyramidal D. Square pyramidal
17	5-d series is in the period :	A. 4th B. 5th C.6th D. 7th
18	[Zn(NH₃)₄]³⁺possess geometry	A. Square plannar B. Hexagonal C.Tetrahedral D. None of these
19	E.D.T.A is	A. Mono-dentate B. Bi-dentate C.Polydentate D. Having three lone pairs of electrons
20	High purity copper metal is obtained by	A. Carbon reduction B. Hydrogen reduction C.Electrolytic reduction D. Thermite reduction
21	The iron obtained from blast furnace is	A. Pig iron B. Wrought ion C.Soft ion D. Steel
22	The oxidation state of Fe in [Fe(CN)₆]^3-is	A. +2 B. +3 C.+4 D. -3
23	Which alloy contains 50% copper, 25% zinc and 25% nickel	A. German silver B. Gun metal C.Bell metal D. Brass
24	f-Block elements are also called	A. Non typical transition elements B. Outer transition elements C.Normal transition elements D. Inner transition elements
25	Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?	A. [Pt(NH₃)₄(NO₂)]SO₄ B. [PtNO₂Cl(NH₃)₄]SO₄ C.[PtCl(NO₂)(NH₃)₄]SO₄ D. [Pt(NH₃)₄(NO₂)Cl]SO₄
26	Which of the following elements does not show variable oxidation states?	A. Copper B. Iron C.Zinc D. Titanium
27	The oxidation number of Ni in [Ni(CO)₄] is	A. +1 B. 0 C.+4 D. -4
28	AgCl is soluble is	A. Aqua regia B. H₂SO₄ C.HCl D. NH₃
29	Which has the largest radius?	A. CO³⁺ B. Mn³⁺ C.Fe³⁺ D. Cr³⁺
30	Which element does not belong to 4d series	A. Y B. Zr C.Mo D. Zn

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ECAT Pre Engineering Chemistry Chapter 17 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 17 Transition Elements

ECAT Chemistry Chapter 17 Transition Elements

All 3d series elements show variable oxidation states. The one shown by all 3d elements is

Misch mental is

The total number of inner transition elements in the periodic table is

Which period starts from 11Sc to 30Zn ?

Which is not a bidentate ligand

Which element does not belong to 4d series

[Ti(H2O)6]+3ion absorbs colour:

The compound which gives oxygen on moderate heating is

Oxalic acid oxidizes to:

Non-formation of menisus by Hg in presence of O3is due to the formation of

Transition metals mostly are

Potassium hexacyanoferrate (II) has the formula

Steel may be manufacture by two processes which two are correct

Which metal is used for catalytic hydrogenation of oils

Which of the following is not an element?

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

f-Block elements are also called

Which is the correct electronic configuration of Cr - 24

The percentage of carbon in different types of iron products is in the order of

Out of 110 known elements, transition elements are

Most common oxidation states shownby cerium are

The color of Cr3+ion is

Solubility of KMnO4 at higher temperature is:

Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because

Which element has 4 unpaired electrons in 3d-orbital

5-d series is in the period :

The protection of steel by chrome plating is due to

3-d series elements are present in:

Which has the largest radius?

The Mn3+has ______ color

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Top Scorers Of ECAT Chemistry Chapter 17 Transition Elements MCQ`s Test

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Which period starts from ₁₁Sc to ₃₀Zn ?

[Ti(H₂O)₆]⁺³ion absorbs colour:

Non-formation of menisus by Hg in presence of O₃is due to the formation of

The color of Cr³⁺ion is

Solubility of KMnO₄at higher temperature is:

Iron, once dipped in concentrated H₂SO₄, does not displace copper from copper sulphates solution, because

The Mn³⁺has ______ color