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 oxidation number of Ni in [Ni(CO)4] is

Question # 2

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

Question # 3

The Mn3+has ______ color

Question # 4

The total number of rare earth elements is

Question # 5

Solubility of KMnO4 at higher temperature is:

Question # 6

Coordination sphere may be:

Question # 7

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 8

Which of the following is a transition element

Question # 9

Which of the following is not correct about transition metals?

Question # 10

Which of the following compounds gives red precipitate with AgNO3?

Question # 11

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

Question # 12

Which is non typical transition element :

Question # 13

f-block elements are called :

Question # 14

Besides Zn and Cu , German silver contains the metal

Question # 15

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

Question # 16

Electronic configuration of Cu+2is

Question # 17

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

Question # 18

Content of carbon in steel is:

Question # 19

Bronze is an alloy which contains

Question # 20

f-Block elements are also called

Question # 21

The number of unpaired electrons in Fe3+(Z = 26) are

Question # 22

Which of the following is a non-typical transition elements

Question # 23

Maximum variable oxidation state is of:

Question # 24

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

Question # 25

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

Question # 26

Which of the following is used as disinfectant

Question # 27

The colour of transition metal complexes is due to:

Question # 28

Most common oxidation states shownby cerium are

Question # 29

CuSO4. 5H2O is used to prepare

Question # 30

The less reactivity of transition metal is due to

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following is not related to transition metals
A. They have a high tensile strength
B. They are ductile
C. They are malleable
D. They have low melting points
2 The coordination number of iron in [Fe(H2O)6]3+is
A. 2
B. 3
C. 4
D. 6
3 E.D.T.A is
A. Mono-dentate
B. Bi-dentate
C. Polydentate
D. Having three lone pairs of electrons
4 Which element does not belong to 4d series
A. Y
B. Zr
C. Mo
D. Zn
5 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
6 The amount of Ni in stainless steel is
A. 3%
B. 4%
C. 5%
D. 8%
7 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
8 The oxidation number of Ni in [Ni(CO)4] is
A. +1
B. 0
C. +4
D. -4
9 Which of the following is used as disinfectant
A. K2Cr2O7
B. KMnO4
C. K2MnO4
D. K2CrO4
10 Interstitial compounds have
A. Half formula
B. Fixed formula
C. Indefinite formula
D. None

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