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

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

Question # 2

The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal

Question # 3

Which of the following is used as disinfectant

Question # 4

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

Question # 5

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

Question # 6

The lanthanides contraction is responsible for the fact that

Question # 7

Which period starts from 11Sc to 30Zn ?

Question # 8

Maximum variable oxidation state is of:

Question # 9

Bessemer converter is used in the manufacture of

Question # 10

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

Question # 11

Which of the following is not correct about transition metals?

Question # 12

Rusting can be avoided by :

Question # 13

Transition metals form complexes due to the participation of partially filled

Question # 14

The iron obtained from blast furnace is

Question # 15

3-d series elements are present in:

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

Series starting from57La,42Hf -80Hg is in the period:

Question # 20

Misch mental is

Question # 21

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

Question # 22

[Co(NH3)6]3+will form ______ structure

Question # 23

In physical and chemical properties, transition elements show

Question # 24

German silver does not contain

Question # 25

Which of the following is a carbonate are?

Question # 26

Which element has 4 unpaired electrons in 3d-orbital

Question # 27

The number of unpaired electrons in Mn2+is

Question # 28

Which is not a bidentate ligand

Question # 29

Group VIB of transition elements contains

Question # 30

Cuprous ore among the following is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Potassium hexacyanoferrate (II) has the formula
A. K4[Fe(CN)6]
B. K3[Fe(CN)6]
C. K2[Fe(CN)6]
D. K [Fe(CN)6]
2 Maximum variable oxidation state is of:
A. Mn+2
B. Fe+3
C. Cr+1
D. a and b
3 Non-formation of menisus by Hg in presence of O3is due to the formation of
A. Mercuric oxide
B. Mercurous oxide
C. Mercuric chloride
D. Mercurous chloride
4 An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is
A. 24
B. 23
C. 22
D. 21
5 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
6 Cu2+with d9electronic configuration appears
A. Yellow
B. Pink
C. Blue
D. Green
7 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3
8 Bronze is an alloy which contains
A. 60% cu
B. 70% cu
C. 80% cu
D. 99% cu
9 The total number of rare earth elements is
A. 8
B. 32
C. 14
D. 10
10 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction

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