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

Potassium hexacyanoferrate (II) has the formula

Question # 2

Sodium thisoulophate is used in photography because of its

Question # 3

Bessemer converter is used in the manufacture of

Question # 4

Which element belong to 5d series

Question # 5

Which of the following metals is sometimes found in native state in nature?

Question # 6

6-d series is in the period :

Question # 7

Maximum variable oxidation state is of:

Question # 8

The total number of d-bock transition element is

Question # 9

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

Question # 10

The colour of transition metal complexes is due to

Question # 11

Cuprous ore among the following is

Question # 12

Which of the following is used as disinfectant

Question # 13

Potassium chromate has formula

Question # 14

Bronze is an alloy which contains

Question # 15

A transition metal complex can be recognized by various terms. Which is not the proper term

Question # 16

Bell metal is an alloy of

Question # 17

Which of the following is a typical transition metal

Question # 18

An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is

Question # 19

The geometry of [Co(NH3)6]3+is

Question # 20

3-d series elements are present in:

Question # 21

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

Question # 22

Most transition elements show

Question # 23

An oxidixing agent

Question # 24

Which is not a bidentate ligand

Question # 25

Misch mental is

Question # 26

The colour of the transition metal compounds is due to

Question # 27

Steel may be manufacture by two processes which two are correct

Question # 28

The amount of Ni in stainless steel is

Question # 29

5-d series is in the period :

Question # 30

Which is used to identify Cu2+ions

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Bessemer converter is used in the manufacture of
A. Pig iron
B. Steel
C. Wrought iron
D. Cast iron
2 Bell metal is an alloy of
A. Cu, Zn, and Sn
B. Cu, Zn and Ni
C. Cu and Zn
D. Cu and Sn
3 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
4 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
5 Which of the following is non-typical transition element?
A. Cr
B. Mn
C. Zn
D. Fe
6 The color of Cr3+ion is
A. Violet
B. Blue
C. Pink
D. Green
7 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
8 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
9 Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is
A. 2-
B. 4
C. 1
D. 6
10 E.D.T.A is
A. Mono-dentate
B. Bi-dentate
C. Polydentate
D. Having three lone pairs of electrons

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