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

Which of the following is obtained when Fe reacts with dil. HNO3?

Question # 2

Besides Zn and Cu , German silver contains the metal

Question # 3

Which of the following transition metal ions will have definite value of magnetic moment?

Question # 4

Which is the correct electronic configuration of Cr - 24

Question # 5

CuSO4. 5H2O is used to prepare

Question # 6

6-d series is in the period :

Question # 7

Which is used to identify Cu2+ions

Question # 8

Stainless steel contains Cr upto

Question # 9

The total number of d-bock transition element is

Question # 10

Turnbull's blue is a compound called?

Question # 11

Content of carbon in steel is:

Question # 12

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

Question # 13

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

Question # 14

Electronic configuration of Cu+2is

Question # 15

Most common oxidation states shownby cerium are

Question # 16

Which one of the following has highest density

Question # 17

Which of the following element is responsible for oxidation of water to O2in biological process?

Question # 18

Cuprous ore among the following is

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

[Zn(NH3)4]3+possess geometry

Question # 24

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

Question # 25

In physical and chemical properties, transition elements show

Question # 26

Which of the following is used as disinfectant

Question # 27

The compound which gives oxygen on moderate heating is

Question # 28

Which of the following is a typical transition metal

Question # 29

f-block elements are called :

Question # 30

In the extraction of iron, slag is produced which is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
2 The total number of d-bock transition element is
A. 10
B. 14
C. 40
D. 30
3 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 rion
C. Cast iron > steel > wrought iron
D. Cast iron = steel > wrought iron
4 Electronic configuration of Cu+2is
A. 4S2, 3d9
B. 4s-1, 3d10
C. 4S0, 3d9
D. None of these
5 Stainless steel contains Cr upto
A. 12%
B. 18%
C. 10%
D. 5%
6 Which of the following is a carbonate are?
A. Pyrolusite
B. Malchite
C. Diaspore
D. cassiterite
7 Choose the correct answer of transition elements?
A. Transition elements have low melting points
B. Transition elements do not have catalytic activity
C. Transition elements exhibit variable oxidation states
D. Transition elements exhibit inert pair effect
8 Rusting of iron is catalysed by
A. Fe
B. O2
C. Zn
D. H+
9 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
10 Among the lanthandes the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd

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