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

Rusting can be avoided by :

Question # 2

The elements in which d or f-orbitals are incomplete are called

Question # 3

f-block elements are called :

Question # 4

Choose the correct answer of transition elements?

Question # 5

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

Question # 6

Which has the largest radius?

Question # 7

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

Question # 8

The total number of transition elements is

Question # 9

Which is non typical transition element :

Question # 10

What is wrong about transition metals?

Question # 11

CuSO4. 5H2O is used to prepare

Question # 12

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

Question # 13

[Cu[NH3)4]+2will form ______ structure

Question # 14

Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is

Question # 15

Most transition elements show

Question # 16

d-block elements are also called :

Question # 17

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

Question # 18

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

Question # 19

Which of the following metal exhibits more than one oxidation?

Question # 20

Transition elements differ from s and p block elements due to their characteristic properties. What is not he characteristic property of transition elements

Question # 21

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

Question # 22

Which one of the following has highest density

Question # 23

Coordination sphere may be:

Question # 24

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

Question # 25

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

Question # 26

Bessemer converter is used in the manufacture of

Question # 27

The less reactivity of transition metal is due to

Question # 28

Solubility of KMnO4 at higher temperature is:

Question # 29

Which of the following is not related to transition metals

Question # 30

In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
2 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
3 Which of the following is not an element?
A. Graphite
B. Diamond
C. 22-Carat gold
D. Rhombic sulphur
4 Titanium is used as a catalyst in
A. Hydrogenation
B. Dehydrogenation
C. Polymerization of P.E.
D. Oxidation of ammonia
5 Which of the following transition metal ions will have definite value of magnetic moment?
A. Se3+
B. Ti3+
C. Cu+
D. Zn2+
6 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
A. Pt(NH3)6CI4
B. Pt(NH3)5CI4
C. Pt(NH3)4CI4
D. Pt(NH3)3CI4
7 What is wrong about transition metals?
A. Diamagnetic
B. Paramagnetic
C. Form complexes
D. Shows variable oxidation state
8 Group VIB of transition elements contains
A. Zn, Cd, Hg
B. Fe, Ru, Os
C. Cr, Mo, W
D. Mn, Te, Re
9 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
10 All 3d series elements show variable oxidation states. The one shown by all 3d elements is
A. +2
B. +3
C. +4
D. +5

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