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

Which element does not belong to 4d series

Question # 2

Transition elements are called so because:

Question # 3

Solubility of KMnO4 at higher temperature is:

Question # 4

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

Question # 5

The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is

Question # 6

Cuprous ore among the following is

Question # 7

Most common oxidation states shownby cerium are

Question # 8

Which of the following d-block elements can show the highest oxidation number in its compounds

Question # 9

Content of carbon in steel is:

Question # 10

Bell metal is an alloy of Sn and

Question # 11

d-block elements are also called :

Question # 12

Mercury is the only metal which is liquid at 0°C. this is due to its

Question # 13

Which is used to identify Cu2+ions

Question # 14

In the extraction of iron, slag is produced which is

Question # 15

5-d series is in the period :

Question # 16

4-d series is in the period:

Question # 17

Stainless steel contains Cr upto

Question # 18

Corrosion may be prevented by

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

In the manufacture of iron from haematitie,limestone is added to act as

Question # 25

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

Question # 26

Bell metal is an alloy of

Question # 27

Sodium thisoulophate is used in photography because of its

Question # 28

Most transition elements show

Question # 29

Which of the following is a non-typical transition elements

Question # 30

Which one of the following has highest density

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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 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
3 Among the lanthandes the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd
4 Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is
A. 2-
B. 4
C. 1
D. 6
5 Which of the following metals is sometimes found in native state in nature?
A. Al
B. Cu
C. Fe
D. Mg
6 Which is the correct electronic configuration of Cr - 24
A. 1s2, 2s2, 2p6, 3s2, 3p6, 3d4, 4s2
B. 1s2, 2s2, 2p6, 3s2, 3p6, 3d3, 4s2, 4p1
C. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4s1
D. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4p1
7 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 rion
C. Cast iron > steel > wrought iron
D. Cast iron = steel > wrought iron
8 Out of 110 known elements, transition elements are
A. 40
B. 60
C. 50
D. 80
9 Transition metals mostly are
A. Diamagnetic
B. Paramagnetic
C. Neither diamagnetic nor paramagnetic
D. Both diamagnetic and paramagnetic
10 CuSO4. 5H2O is used to prepare
A. Transition complex
B. Fehling's 'A' sol
C. Fehling's 'B' sol
D. Fehling's sol

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