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 Mn3+has ______ color

Question # 2

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

Question # 3

Which alloy contains 50% copper, 25% zinc and 25% nickel

Question # 4

Which period starts from 11Sc to 30Zn ?

Question # 5

Oxalic acid oxidizes to:

Question # 6

The protection of steel by chrome plating is due to

Question # 7

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

Question # 8

Misch mental is

Question # 9

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

Question # 10

Which of the following is a carbonate are?

Question # 11

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

Question # 12

Transition elements are called so because:

Question # 13

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

Question # 14

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

Question # 15

Which has the largest radius?

Question # 16

Steel may be manufacture by two processes which two are correct

Question # 17

What are alloys

Question # 18

Which of the following is a typical transition metal

Question # 19

Which of the following is not correct about transition metals?

Question # 20

Bronze is an alloy which contains

Question # 21

Transition metals mostly are

Question # 22

The oxidation state of Fe in [Fe(CN)6]3-is

Question # 23

Which of the following is a not typical transition element

Question # 24

d-block elements are also called :

Question # 25

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

Question # 26

The total number of transition elements is

Question # 27

Which of the following has the maximum number of unpaired d-electrons?

Question # 28

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

Question # 29

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

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 Sodium thisoulophate is used in photography because of its
A. Oxidizing behaviour
B. Reducing behaviour
C. Complexing behaviour
D. Photochemical behaviour
2 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
3 Which of the following acts as ligand
A. NH3
B. NH2-- CH2-- CH2-- NH2
C. C2O2-4
D. All these
4 f-block elements are called :
A. Alkali metal
B. Alkakline earth metals
C. Transition elements
D. Electron deficient elements
5 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
6 f-Block elements are also called
A. Non typical transition elements
B. Outer transition elements
C. Normal transition elements
D. Inner transition elements
7 The lanthanides contraction is responsible for the fact that
A. Zr and Y have about the same radius
B. Zr and Nb have similar oxidsation state
C. Zr and Hf have about the same radius
D. Zr and Zn have the same oxidation satete
8 Corrosion may be prevented by
A. Allcying
B. Paints
C. Metallic coatings
D. All
9 Which of the following compounds gives red precipitate with AgNO3?
A. Kl
B. K2CrO4
C. NaBr
D. NaNO3
10 Which of the following transition metal ions will have definite value of magnetic moment?
A. Se3+
B. Ti3+
C. Cu+
D. Zn2+

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