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

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

Question # 2

Bell metal is an alloy of Sn and

Question # 3

Which of the following compounds gives red precipitate with AgNO3?

Question # 4

Which one of the following metal ions is colourless?

Question # 5

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

Question # 6

The coordination number of iron in [Fe(H2O)6]3+is

Question # 7

Which of the following is a typical transition metal?

Question # 8

Group VIB of transition elements contains

Question # 9

Rusting can be avoided by :

Question # 10

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

Question # 11

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

Question # 12

An element in +3 oxidation state has the electronic configuration (Ar) 3d3. Its atomic number is

Question # 13

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

Question # 14

Which of the following transition metal ions will have definite value of magnetic moment?

Question # 15

The total number of rare earth elements is

Question # 16

Elements in which f-orbitals are in the process of completion are called

Question # 17

Which of the following d-block elements can show the highest oxidation number in its compounds

Question # 18

AgCl is soluble is

Question # 19

Sodium thisoulophate is used in photography because of its

Question # 20

Corrosion of iron can be prevented by coating the surface with

Question # 21

All 3d series elements show variable oxidation states. The one shown by all 3d elements is

Question # 22

Which is not a bidentate ligand

Question # 23

Series starting form 39Y to 48CD is in period:

Question # 24

Which element has 4 unpaired electrons in 3d-orbital

Question # 25

[Co(NH3)6]3+will form ______ structure

Question # 26

The free spaces between the metal atoms and its crystal lattice are called

Question # 27

What are alloys

Question # 28

German silver does not contain

Question # 29

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

Question # 30

Which element does not belong to 3d transition series

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which is not a bidentate ligand
A.
2 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3
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 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
5 CuSO4. 5H2O is used to prepare
A. Transition complex
B. Fehling's 'A' sol
C. Fehling's 'B' sol
D. Fehling's sol
6 Coordination number of Pt in [PtCl (NO2) (NH3)4]2-
A. 2-
B. 4
C. 1
D. 6
7 Which is the correct electronic configuration of Cr - 24
A. 1s2, 2s2, 2p6, 3s2, 3p6, 3d4, 4s2
B. 1s2, 2s2, 2p6, 3s2, 3p6, 3d3, 4s2, 4p1
C. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4s1
D. 1s2, 2s2, 2p6, 3s2, 3p6, 3d5, 4p1
8 Bell metal is an alloy of
A. Cu, Zn, and Sn
B. Cu, Zn and Ni
C. Cu and Zn
D. Cu and Sn
9 Which of the following acts as ligand
A. NH3
B. NH2-- CH2-- CH2-- NH2
C. C2O2-4
D. All these
10 Coordination sphere may be:
A. Cationic
B. Anionic
C. Neutral
D. All above

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