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

E.D.T.A is

Question # 2

[Zn(NH3)4]3+possess geometry

Question # 3

The iron obtained from blast furnace is

Question # 4

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

Question # 5

Potassium chromate has formula

Question # 6

Interstitial compounds have

Question # 7

The number of unpaired electrons in Mn2+is

Question # 8

Which of the following acts as ligand

Question # 9

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

Question # 10

Which element has 4 unpaired electrons in 3d-orbital

Question # 11

Which has the largest radius?

Question # 12

6-d series is in the period :

Question # 13

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

Question # 14

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

Question # 15

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

Question # 16

Which period starts from 11Sc to 30Zn ?

Question # 17

Which element does not belong to 4d series

Question # 18

Solubility of KMnO4 at higher temperature is:

Question # 19

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

Question # 20

Titanium is used as a catalyst in

Question # 21

Which one of the following metal ions is colourless?

Question # 22

A transition metal complex can be recognized by various terms. Which is not the proper term

Question # 23

Which of the following is a transition element

Question # 24

Property of transition element is :

Question # 25

Among the lanthandes the one obtained by synthetic method is

Question # 26

The colour of the transition metal compounds is due to

Question # 27

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

Question # 28

Coordination sphere may be:

Question # 29

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

Question # 30

Bronze is an alloy of Cu and

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following is not an element?
A. Graphite
B. Diamond
C. 22-Carat gold
D. Rhombic sulphur
2 What is wrong about transition metals?
A. Diamagnetic
B. Paramagnetic
C. Form complexes
D. Shows variable oxidation state
3 What is the name of the comlex [Ni(CO)4]
A. Tetracarbonylnickel (o)
B. Tetracabonylnickel
C. Tetracabonylnickel (II)
D. Tetracabonylnickel (IV)
4 The compound which gives oxygen on moderate heating is
A. Zinc oxide
B. Mercuric oxide
C. Aluminium oxide
D. Ferric oxide
5 In physical and chemical properties, transition elements show
A. Similarities
B. Dissimilarities
C. Both of these
D. Somestimes similarities, sometimes dissimilarities
6 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
A. Blue
B. Red
C. Yellow
D. Mixture of blue and red or violet
7 Which of the following is not correct about transition metals?
A. Their melting and boiling points are high
B. Their compounds are generally coloured
C. They can form ionic or covalent compounds
D. They do not exhibit variable valency
8 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
9 Which of the following metals is sometimes found in native state in nature?
A. Al
B. Cu
C. Fe
D. Mg
10 Bronze is an alloy of Cu and
A. Zn
B. As
C. Sb
D. Sn

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