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

Group VIB of transition elements contains

Question # 3

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

Question # 4

Choose the correct answer of transition elements?

Question # 5

Which element has 4 unpaired electrons in 3d-orbital

Question # 6

Which of the following is a transition element

Question # 7

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

Question # 8

Series starting form 39Y to 48CD is in period:

Question # 9

Which is the correct electronic configuration of Cr - 24

Question # 10

Which one of the following has highest density

Question # 11

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

Question # 12

The Mn3+has ______ color

Question # 13

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

Question # 14

Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is

Question # 15

Which is in differnet phase form other metals

Question # 16

Oxalic acid oxidizes to:

Question # 17

Among the lanthandes the one obtained by synthetic method is

Question # 18

Interstitial compounds have

Question # 19

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

Question # 20

Most transition elements show

Question # 21

The colour of transition metal complexes is due to

Question # 22

Sodium thisoulophate is used in photography because of its

Question # 23

Potassium ferrocyanide is a

Question # 24

In physical and chemical properties, transition elements show

Question # 25

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

Question # 26

Rusting can be avoided by :

Question # 27

Cuprous ore among the following is

Question # 28

The colour of the transition metal compounds is due to

Question # 29

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

Question # 30

The lanthanides contraction is responsible for the fact that

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 f-block elements are called :
A. Alkali metal
B. Alkakline earth metals
C. Transition elements
D. Electron deficient elements
2 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3
3 Which one of the following has highest density
A. Zn
B. Os
C. Ni
D. Cu
4 Mercury is the only metal which is liquid at 0°C. this is due to its
A. Very high ionization energy and weak metallic bond
B. Low ionization potential
C. High atomic weight
D. High vapour pressure
5 What is wrong about transition metals?
A. Diamagnetic
B. Paramagnetic
C. Form complexes
D. Shows variable oxidation state
6 Which element does not belong to 4d series
A. Y
B. Zr
C. Mo
D. Zn
7 In the extraction of iron, slag is produced which is
A. CO
B. FeSiO3
C. MgSiO3
D. CaSiO3
8 Which element belong to 5d series
A. V
B. Nb
C. Pd
D. Hf
9 Platinum (IV) chloride combines with ammonia to form compounds in which the coordination number of the platinum is 6. A formula unit on one of the compound contains a cation and only two chloride ions. What is the formula of this compound
A. Pt(NH3)6CI4
B. Pt(NH3)5CI4
C. Pt(NH3)4CI4
D. Pt(NH3)3CI4
10 In the manufacture of iron from haematitie,limestone is added to act as
A. Flux
B. A reducing agent
C. Slag
D. An oxidizing agent

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