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

4-d series is in the period:

Question # 2

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

Question # 3

The total number of d-bock transition element is

Question # 4

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

Question # 5

Which has the largest radius?

Question # 6

Which of the following is non-typical transition element?

Question # 7

Which metal is used for catalytic hydrogenation of oils

Question # 8

In the electronic configuration of Cr one electron from 4s sub-shell is transfered to 3d sub-shell because

Question # 9

Which is not a bidentate ligand

Question # 10

Among the lanthandes the one obtained by synthetic method is

Question # 11

Corrosion may be prevented by

Question # 12

Oxalic acid oxidizes to:

Question # 13

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

Question # 14

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

Question # 15

Rusting of iron is catalysed by

Question # 16

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

Question # 17

Bell metal is an alloy of Sn and

Question # 18

Which element belong to 5d series

Question # 19

Group VIB of transition elements contains

Question # 20

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

Question # 21

The colour of transition metal complexes is due to

Question # 22

The iron obtained from blast furnace is

Question # 23

Which of the following is not correct about transition metals?

Question # 24

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 25

Transition elements form which type of bond

Question # 26

3-d series elements are present in:

Question # 27

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

Question # 28

The Mn3+has ______ color

Question # 29

Series starting from57La,42Hf -80Hg is in the period:

Question # 30

The total number of inner transition elements in the periodic table is

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Stainless steel contains Cr upto
A. 12%
B. 18%
C. 10%
D. 5%
2 Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is
A. 2-
B. 4
C. 1
D. 6
3 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
4 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
5 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
6 The colour of transition metal complexes is due to:
A. d-d transitions of electorns
B. Paramagnetic nature of transition
C. Ionization
D. Loss of s-electrons
7 d-block elements closely resemble in their physical and chemical properties. Which statement is incorrect
A. They show variable valency
B. Their ions and compounds are coloured
C. They are good conductors of heat and electricity
D. Their compounds are diamagnetic
8 Out of 110 known elements, transition elements are
A. 40
B. 60
C. 50
D. 80
9 Which one of the following has highest density
A. Zn
B. Os
C. Ni
D. Cu
10 Which of the following is a typical transition metal?
A. Sc
B. Y
C. Ra
D. Co

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