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 metals is sometimes found in native state in nature?

Question # 2

The colour of transition metal complexes is due to

Question # 3

A transition element is defined as an element of 3d series

Question # 4

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

Question # 5

The Mn3+has ______ color

Question # 6

Which of the following is not an element?

Question # 7

Choose the correct answer of transition elements?

Question # 8

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

Question # 9

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

Question # 10

Which of the following is not correct about transition metals?

Question # 11

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 # 12

E.D.T.A is

Question # 13

Which is not a bidentate ligand

Question # 14

The number of unpaired electrons in Mn2+is

Question # 15

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 16

Bell metal is an alloy of

Question # 17

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

Question # 18

The total number of transition elements is:

Question # 19

IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are

Question # 20

3-d series elements are present in:

Question # 21

The amount of Ni in stainless steel is

Question # 22

In the manufacture of iron from haematitie,limestone is added to act as

Question # 23

Which has the largest radius?

Question # 24

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

Question # 25

Mercury is the only metal which is liquid at 0°C. this is due to its

Question # 26

Which of the following is a not typical transition element

Question # 27

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

Question # 28

Turnbull's blue is a compound called?

Question # 29

f-Block elements are also called

Question # 30

Which element belong to 5d series

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Transition elements are called so because:
A. Form interstital sompounds
B. have high m.p
C. In between 's' and' 'p' block elements
D. All of these
2 Coordination number of Pt in [PtCl (NO2) (NH3)4]2-
A. 2-
B. 4
C. 1
D. 6
3 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
4 Across the lanthanide series, the basicity of the lanthanide hydroxides
A. Increases
B. Decreases
C. First increases and then decreases
D. First decreases and then increases
5 Which of the following has the maximum number of unpaired d-electrons?
A. Zn
B. Fe2+
C. Ni3+
D. Cu+
6 Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is
A. 2-
B. 4
C. 1
D. 6
7 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
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 element does not belong to 4d series
A. Y
B. Zr
C. Mo
D. Zn
10 Series starting form 39Y to 48CD is in period:
A. 4th
B. 5th
C. 6th
D. 7th

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