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

00:00
Question # 1

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

Question # 2

d-block elements are also called :

Question # 3

Corrosion may be prevented by

Question # 4

Which of the following is a typical transition metal

Question # 5

Which is used to identify Cu2+ions

Question # 6

Most common oxidation states shownby cerium are

Question # 7

The protection of steel by chrome plating is due to

Question # 8

Bronze is an alloy of Cu and

Question # 9

Which element has 4 unpaired electrons in 3d-orbital

Question # 10

The total number of rare earth elements is

Question # 11

Which of the following metal exhibits more than one oxidation?

Question # 12

A transition element is defined as an element of 3d series

Question # 13

What is the name of the comlex [Ni(CO)4]

Question # 14

Which element does not belong to 3d transition series

Question # 15

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

Question # 16

The elements in which d or f-orbitals are incomplete are called

Question # 17

Which metal is used for catalytic hydrogenation of oils

Question # 18

Maximum variable oxidation state is of:

Question # 19

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

Question # 20

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

Question # 21

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 22

Which one of the following has highest density

Question # 23

What are alloys

Question # 24

Potassium hexacyanoferrate (II) has the formula

Question # 25

Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?

Question # 26

Which has the largest radius?

Question # 27

Which of the following is used as disinfectant

Question # 28

Cuprous ore among the following is

Question # 29

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

Question # 30

Transition metals form complexes due to the participation of partially filled

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 f-Block elements are also called
A. Non typical transition elements
B. Outer transition elements
C. Normal transition elements
D. Inner transition elements
2 The formula of curprite is
A. Cu2S
B. Cus
C. Cu2O
D. CuCO3
3 Bessemer converter is used in the manufacture of
A. Pig iron
B. Steel
C. Wrought iron
D. Cast iron
4 The total number of transition elements is
A. 10
B. 14
C. 40
D. 50
5 The percentage of carbon in different types of iron products is in the order of
A. Cast iron > wrought iron > steel
B. Wrought iron > steel > cast iron
C. Cast iron > steel > wrought iron
D. Cast iron = steel > wrought iron
6 Which is in differnet phase form other metals
A. Ni
B. Hg
C. Cd
D. Na
7 Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the
A. Reduction of Cu2+
B. Oxidation of Cu2+
C. Reduction of Fe
D. Reduction of Fe3+
8 [Ti(H2O)6]+3ion absorbs colour:
A. Blue
B. Yellow
C. Green
D. Red
9 Bell metal is an alloy of Sn and
A. Copper
B. Iron
C. Zinc
D. Magnesium
10 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

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