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

6-d series is in the period :

Question # 2

The total number of d-bock transition element is

Question # 3

Which metal is used for catalytic hydrogenation of oils

Question # 4

Which has the largest radius?

Question # 5

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

Question # 6

f-Block elements are also called

Question # 7

The colour of transition metal complexes is due to:

Question # 8

d-block elements are also called :

Question # 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

Question # 10

The lanthanides contraction is responsible for the fact that

Question # 11

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

Question # 12

Non-formation of menisus by Hg in presence of O3is due to the formation of

Question # 13

The total number of transition elements is:

Question # 14

Out of 110 known elements, transition elements are

Question # 15

Maximum variable oxidation state is of:

Question # 16

Transition metals mostly are

Question # 17

Which is used to identify Cu2+ions

Question # 18

Electronic configuration of Cu+2is

Question # 19

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

Question # 20

The formula of curprite is

Question # 21

Which of the following is not an element?

Question # 22

Steel may be manufacture by two processes which two are correct

Question # 23

Misch mental is

Question # 24

Which element does not belong to 3d transition series

Question # 25

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

Question # 26

Cu2+with d9electronic configuration appears

Question # 27

Which of the following is not related to transition metals

Question # 28

A phtotographic plate is coated with an emulsion of silver nitrate and

Question # 29

Which of the following metal exhibits more than one oxidation?

Question # 30

4-d series is in the period:

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The formula of curprite is
A. Cu2S
B. Cus
C. Cu2O
D. CuCO3
2 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction
3 The color of Cr3+ion is
A. Violet
B. Blue
C. Pink
D. Green
4 Which of the following transition metal ions will have definite value of magnetic moment?
A. Se3+
B. Ti3+
C. Cu+
D. Zn2+
5 An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is
A. 24
B. 23
C. 22
D. 21
6 In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because
A. The 3rd orbital is of lower energy than 4s
B. The 4s orbital is of equal energy to 3d orbital
C. The half filled d-subshell is more stable than incomplete d-sub shell
D. 6 unpaired electrons make Cr more paramagnetic
7 The total number of inner transition elements in the periodic table is
A. 10
B. 14
C. 28
D. 30
8 A transition element is defined as an element of 3d series
A. Which is metal
B. Which has one stable ion
C. Which has two stable ions
D. Which has at least one stable ion with incomplete d-orbital
9 Series starting form 39Y to 48CD is in period:
A. 4th
B. 5th
C. 6th
D. 7th
10 Solubility of KMnO4 at higher temperature is:
A. 5%
B. 7%
C. 15%
D. 25%

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