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

Bronze is an alloy which contains

Question # 2

Oxalic acid oxidizes to:

Question # 3

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 4

High purity copper metal is obtained by

Question # 5

Which of the following is not correct about transition metals?

Question # 6

The lanthanides contraction is responsible for the fact that

Question # 7

5-d series is in the period :

Question # 8

Potassium chromate has formula

Question # 9

Bronze is an alloy of Cu and

Question # 10

The total number of rare earth elements is

Question # 11

Coordination sphere may be:

Question # 12

Which one of the following has highest density

Question # 13

Besides Zn and Cu , German silver contains the metal

Question # 14

Which of the following is non-typical transition element?

Question # 15

The compound which gives oxygen on moderate heating is

Question # 16

How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?

Question # 17

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

Question # 18

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

Question # 19

Among the lanthandes the one obtained by synthetic method is

Question # 20

The total number of d-bock transition element is

Question # 21

The oxidation number of Ni in [Ni(CO)4] is

Question # 22

Which of the following elements does not show variable oxidation states?

Question # 23

In the extraction of iron, slag is produced which is

Question # 24

Cuprous ore among the following is

Question # 25

4-d series is in the period:

Question # 26

Most transition elements show

Question # 27

E.D.T.A is

Question # 28

Which of the following acts as ligand

Question # 29

Bell metal is an alloy of Sn and

Question # 30

Which of the following is a carbonate are?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The elements in which d or f-orbitals are incomplete are called
A. Transition elements
B. Typical elements
C. Actinides
D. lanthanides
2 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
3 Which is not a bidentate ligand
A.
4 Which of the following is obtained when Fe reacts with dil. HNO3?
A. N2O
B. NO
C. NO2
D. None of these
5 Which element belong to 5d series
A. V
B. Nb
C. Pd
D. Hf
6 [Co(NH3)6]3+will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyamidal
7 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
8 Which metal is used for catalytic hydrogenation of oils
A. Cu
B. Pt
C. Ni
D. Pd
9 d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect
A. They show variable valency
B. Their ions and compounds are coloured
C. They are good conductors of heat and electricity
D. Their compounds are diamagnetic
10 The percentage of carbon in different types of iron products is in the order of
A. Cast iron > wrought iron > steel
B. Wrought iron > steel > cast iron
C. Cast iron > steel > wrought iron
D. Cast iron = steel > wrought iron

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