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

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

Question # 2

The free spaces between the metal atoms and its crystal lattice are called

Question # 3

Which of the following acts as ligand

Question # 4

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

Question # 5

Which metal is used for catalytic hydrogenation of oils

Question # 6

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

Question # 7

Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is

Question # 8

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

Question # 9

Which of the following is non-typical transition element?

Question # 10

The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal

Question # 11

Which has the largest radius?

Question # 12

Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate

Question # 13

The lanthanides contraction is responsible for the fact that

Question # 14

Which of the following is not an element?

Question # 15

Potassium ferrocyanide is a

Question # 16

Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is

Question # 17

Series starting from57La,42Hf -80Hg is in the period:

Question # 18

Transition elements are called so because:

Question # 19

The colour of transition metal complexes is due to:

Question # 20

Which element belong to 5d series

Question # 21

d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect

Question # 22

The colour of transition metal complexes is due to

Question # 23

AgCl is soluble is

Question # 24

Which is used to identify Cu2+ions

Question # 25

The amount of Ni in stainless steel is

Question # 26

Potassium chromate has formula

Question # 27

The total number of d-bock transition element is

Question # 28

Most common oxidation states shownby cerium are

Question # 29

Steel may be manufacture by two processes which two are correct

Question # 30

Which of the following elements does not show variable oxidation states?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 [Co(NH3)6]3+will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyamidal
2 The colour of a transition metal complex is due to d-d transition The colour of the complex is the complementary of the colour absorbed. Thus [Ti(H2O6]3+abosrbs yellow light and transmits blue and red colours therefore the solution of titanium complex appears
A. Blue
B. Red
C. Yellow
D. Mixture of blue and red or violet
3 The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is
A. M
B. M/2
C. M/3
D. M/5
4 Which of the following d-block elements can show the highest oxidation number in its compounds
A. Chromium
B. Copper
C. Nickel
D. Manganese
5 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
6 Across the lanthanide series, the basicity of the lanthanide hydroxides
A. Increases
B. Decreases
C. First increases and then decreases
D. First decreases and then increases
7 An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is
A. 24
B. 23
C. 22
D. 21
8 Which of the following has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni3+
D. Cu+
9 Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is
A. 2-
B. 4
C. 1
D. 6
10 [Zn(NH3)4]3+possess geometry
A. Square plannar
B. Hexagonal
C. Tetrahedral
D. None of these

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