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 is the formula of tetra-ammine chloronitro platinum (VI) sulphate?

Question # 2

The Mn3+has ______ color

Question # 3

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

Question # 4

The formula of curprite is

Question # 5

The number of unpaired electrons in Mn2+is

Question # 6

What is the name of the comlex [Ni(CO)4]

Question # 7

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 # 8

In the extraction of iron, slag is produced which is

Question # 9

Which of the following has the maximum number of unpaired d-electrons?

Question # 10

Choose the correct answer of transition elements?

Question # 11

Bronze is an alloy which contains

Question # 12

The lanthanides contraction is responsible for the fact that

Question # 13

f-Block elements are also called

Question # 14

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

Question # 15

Potassium hexacyanoferrate (II) has the formula

Question # 16

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

Question # 17

What is wrong about transition metals?

Question # 18

Potassium chromate has formula

Question # 19

[Zn(NH3)4]3+possess geometry

Question # 20

Which is non typical transition element :

Question # 21

Which of the following metal exhibits more than one oxidation?

Question # 22

3-d series elements are present in:

Question # 23

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

Question # 24

Which is in differnet phase form other metals

Question # 25

Fe+3and Mn2+are strong paramagnetic because the number of unpaired electrons in each is

Question # 26

What are alloys

Question # 27

Rusting can be avoided by :

Question # 28

The iron obtained from blast furnace is

Question # 29

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

Question # 30

Most transition elements show

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which element belong to 5d series
A. V
B. Nb
C. Pd
D. Hf
2 Which of the following d-block elements can show the highest oxidation number in its compounds
A. Chromium
B. Copper
C. Nickel
D. Manganese
3 E.D.T.A is
A. Mono-dentate
B. Bi-dentate
C. Polydentate
D. Having three lone pairs of electrons
4 Among the lanthandes the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd
5 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
6 Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate
A. [Pt(NH3)4(NO2)] SO4
B. [Pt NO2CI(NH3)4] SO4
C. [Pt CI(NO2) (NH3)4] SO4
D. [Pt (NH3)4(NO2) CI] SO4
7 The total number of transition elements is:
A. 10
B. 14
C. 40
D. 50
8 Which of the following is a not typical transition element
A. Cr
B. Mn
C. Zn
D. Fe
9 Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is
A. 2-
B. 4
C. 1
D. 6
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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