ECAT Chemistry Chapter 17 Transition Elements

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

The percentage of carbon in different types of iron products is in the order of

Question # 2

3-d series elements are present in:

Question # 3

Potassium ferrocyanide is a

Question # 4

Misch mental is

Question # 5

Which of the following is used as disinfectant

Question # 6

Corrosion may be prevented by

Question # 7

Most transition elements show

Question # 8

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

Question # 9

Which of the following is a typical transition metal?

Question # 10

Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the

Question # 11

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

Question # 12

The number of unpaired electrons in Mn2+is

Question # 13

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

Question # 14

Turnbull's blue is a compound called?

Question # 15

Bell metal is an alloy of Sn and

Question # 16

Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate

Question # 17

Most common oxidation states shownby cerium are

Question # 18

The color of Cr3+ion is

Question # 19

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

Question # 20

The protection of steel by chrome plating is due to

Question # 21

CuSO4. 5H2O is used to prepare

Question # 22

Transition elements form which type of bond

Question # 23

Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because

Question # 24

High purity copper metal is obtained by

Question # 25

The total number of inner transition elements in the periodic table is

Question # 26

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

Question # 27

Which one of the following has highest density

Question # 28

Transition metals form complexes due to the participation of partially filled

Question # 29

Which of the following acts as ligand

Question # 30

Which of the following metal exhibits more than one oxidation?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 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
2 Which element belong to 5d series
A. V
B. Nb
C. Pd
D. Hf
3 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
4 6-d series is in the period :
A. 4th
B. 5th
C. 6th
D. 7th
5 Among the lanthandes the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd
6 Which of the following is a non-typical transition elements
A. Cr
B. Mn
C. Zn
D. Fe
7 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
8 Cu2+with d9electronic configuration appears
A. Yellow
B. Pink
C. Blue
D. Green
9 Across the lanthanide series, the basicity of the lanthanide hydroxides
A. Increases
B. Decreases
C. First increases and then decreases
D. First decreases and then increases
10 What is the shape of Fe(CO)5molecule?
A. Tetrahedral
B. Octahedral
C. Trigonal bipyramidal
D. Square pyramidal

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