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 of the following elements does not show variable oxidation states?

Question # 2

Besides Zn and Cu , German silver contains the metal

Question # 3

Most common oxidation states shownby cerium are

Question # 4

Rusting of iron is catalysed by

Question # 5

Which of the following is a non-typical transition elements

Question # 6

Sodium thisoulophate is used in photography because of its

Question # 7

Property of transition element is :

Question # 8

Potassium chromate has formula

Question # 9

Stainless steel contains Cr upto

Question # 10

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

Question # 11

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

Question # 12

The number of unpaired electrons in Mn2+is

Question # 13

German silver does not contain

Question # 14

Which of the following is used as disinfectant

Question # 15

Among the lanthandes the one obtained by synthetic method is

Question # 16

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 # 17

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

Question # 18

The colour of the transition metal compounds is due to

Question # 19

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 20

The number of unpaired electrons in ferrous ion ( Z - 26) is

Question # 21

What are alloys

Question # 22

Solubility of KMnO4 at higher temperature is:

Question # 23

6-d series is in the period :

Question # 24

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

Question # 25

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

Question # 26

In physical and chemical properties, transition elements show

Question # 27

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

Question # 28

Which of the following compounds gives red precipitate with AgNO3?

Question # 29

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

Question # 30

The coordination number of iron in [Fe(H2O)6]3+is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni3+
D. Cu+
2 Potassium ferrocyanide is a
A. Mixed salt
B. Double salt
C. Complex salt
D. Normal salt
3 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
4 The equivalent weight of KMnO4(formula weight = M) when it is used as an oxidant in neutral medium is
A. M
B. M/2
C. M/3
D. M/5
5 Electronic configuration of Cu+2is
A. 4S2, 3d9
B. 4s-1, 3d10
C. 4S0, 3d9
D. None of these
6 6-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
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 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal
9 The geometry of [Co(NH3)6]3+is
A. Tetrahedral
B. Square planar
C. Octahedral
D. None of these
10 The Mn3+has ______ color
A. Violet
B. Green
C. Red/brown
D. No color

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