ECAT Pre Engineering Chemistry Chapter 17 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 17 Transition Elements

Try The MCQ's Test For ECAT Chemistry Chapter 17 Transition Elements

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ECAT Chemistry Chapter 17 Transition Elements

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Question # 1

Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is

Question # 2

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

Question # 3

Group VIB of transition elements contains

Question # 4

The total number of rare earth elements is

Question # 5

Bell metal is an alloy of Sn and

Question # 6

Choose the correct answer of transition elements?

Question # 7

The less reactivity of transition metal is due to

Question # 8

Transition metals mostly are

Question # 9

Which of the following acts as ligand

Question # 10

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Question # 11

[Co(NH3)6]3+will form ______ structure

Question # 12

Which of the following element is responsible for oxidation of water to O2in biological process?

Question # 13

[Cu[NH3)4]+2will form ______ structure

Question # 14

Which of the following is a transition element

Question # 15

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

Question # 16

Potassium chromate has formula

Question # 17

Transition elements form which type of bond

Question # 18

An oxidixing agent

Question # 19

High purity copper metal is obtained by

Question # 20

Which of the following transition metal ions will have definite value of magnetic moment?

Question # 21

4-d series is in the period:

Question # 22

Coordination number of Pt in [PtCl (NO2) (NH3)4]2-

Question # 23

3-d series elements are present in:

Question # 24

Corrosion may be prevented by

Question # 25

IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are

Question # 26

In physical and chemical properties, transition elements show

Question # 27

Which of the following is a not typical transition element

Question # 28

Bessemer converter is used in the manufacture of

Question # 29

In the extraction of iron, slag is produced which is

Question # 30

Across the lanthanide series, the basicity of the lanthanide hydroxides

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The geometry of [Co(NH3)6]3+is
A. Tetrahedral
B. Square planar
C. Octahedral
D. None of these
2 The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal
A. sp3
B. dsp2
C. dsp3
D. d2sp3
3 Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate
A. [Pt(NH3)4(NO2)] SO4
B. [Pt NO2CI(NH3)4] SO4
C. [Pt CI(NO2) (NH3)4] SO4
D. [Pt (NH3)4(NO2) CI] SO4
4 The coordination number of iron in [Fe(H2O)6]3+is
A. 2
B. 3
C. 4
D. 6
5 The colour of transition metal complexes is due to
A. d-d transitions of electrons
B. Para magnetic nature of transition elements
C. Ionization
D. Loss of s-electrons
6 The less reactivity of transition metal is due to
A. High heats of sublimation
B. High ionization energies
C. Low heats of salvation
D. All these
7 [Ti(H2O)6]+3ion absorbs colour:
A. Blue
B. Yellow
C. Green
D. Red
8 d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect
A. They show variable valency
B. Their ions and compounds are coloured
C. They are good conductors of heat and electricity
D. Their compounds are diamagnetic
9 Which is not a bidentate ligand
A.
10 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50

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