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

What is the shape of Fe(CO)5molecule?

Question # 2

Sodium thisoulophate is used in photography because of its

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

Bronze is an alloy which contains

Question # 7

Turnbull's blue is a compound called?

Question # 8

Oxalic acid oxidizes to:

Question # 9

Misch mental is

Question # 10

The total number of rare earth elements is

Question # 11

Steel may be manufacture by two processes which two are correct

Question # 12

Potassium hexacyanoferrate (II) has the formula

Question # 13

The color of Cr3+ion is

Question # 14

An oxidixing agent

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 20

Which is in differnet phase form other metals

Question # 21

Corrosion may be prevented by

Question # 22

[Zn(NH3)4]3+possess geometry

Question # 23

Which is the correct electronic configuration of Cr - 24

Question # 24

f-block elements are called :

Question # 25

The amount of Ni in stainless steel is

Question # 26

Which of the following is used as disinfectant

Question # 27

Group VI-B of transition elements contains:

Question # 28

Which of the following acts as ligand

Question # 29

Which one of the following has highest density

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 The total number of inner transition elements in the periodic table is
A. 10
B. 14
C. 28
D. 30
2 Which is the formula of tetra-ammine chloronitro platinum (VI) sulphate?
A. [Pt(NH3)4(NO2)]SO4
B. [PtNO2Cl(NH3)4]SO4
C. [PtCl(NO2)(NH3)4]SO4
D. [Pt(NH3)4(NO2)Cl]SO4
3 Transition metals mostly are
A. Diamagnetic
B. Paramagnetic
C. Neither diamagnetic nor paramagnetic
D. Both diamagnetic and paramagnetic
4 Group VIB of transition elements contains
A. Zn, Cd, Hg
B. Fe, Ru, Os
C. Cr, Mo, W
D. Mn, Te, Re
5 [Co(NH3)6]3+will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyamidal
6 Rusting can be avoided by :
A. Making alloys
B. Tin or Zinc plating
C. Use of enamel
D. All of these
7 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
8 Which of the following acts as ligand
A. NH3
B. NH2-- CH2-- CH2-- NH2
C. C2O2-4
D. All these
9 What is the name of the comlex [Ni(CO)4]
A. Tetracarbonylnickel (o)
B. Tetracabonylnickel
C. Tetracabonylnickel (II)
D. Tetracabonylnickel (IV)
10 Which of the following transition metal ions will have definite value of magnetic moment?
A. Se3+
B. Ti3+
C. Cu+
D. Zn2+

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