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 transition metal ions will have definite value of magnetic moment?

Question # 2

The lanthanides contraction is responsible for the fact that

Question # 3

AgCl is soluble is

Question # 4

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 5

The Mn3+has ______ color

Question # 6

Transition metals mostly are

Question # 7

An oxidixing agent

Question # 8

The compound which gives oxygen on moderate heating is

Question # 9

Which of the following is not related to transition metals

Question # 10

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

Question # 11

Misch mental is

Question # 12

Iron, once dipped in concentrated H2SO4, does not displace copper from copper sulphates solution, because

Question # 13

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

Question # 14

The formula of curprite is

Question # 15

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 # 16

The oxidation state of Fe in [Fe(CN)6]3-is

Question # 17

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

Question # 18

The less reactivity of transition metal is due to

Question # 19

A phtotographic plate is coated with an emulsion of silver nitrate and

Question # 20

[Zn(NH3)4]3+possess geometry

Question # 21

The colour of transition metal complexes is due to

Question # 22

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

Question # 23

The color of Cr3+ion is

Question # 24

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

Question # 25

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

Question # 26

Maximum variable oxidation state is of:

Question # 27

German silver does not contain

Question # 28

What are alloys

Question # 29

Which of the following is a typical transition metal

Question # 30

What is wrong about transition metals?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Sodium thisoulophate is used in photography because of its
A. Oxidizing behaviour
B. Reducing behaviour
C. Complexing behaviour
D. Photochemical behaviour
2 3-d series elements are present in:
A. First period
B. Second Period
C. Third period
D. 4th period
3 The less reactivity of transition metal is due to
A. High heats of sublimation
B. High ionization energies
C. Low heats of salvation
D. All these
4 Mercury is the only metal which is liquid at 0°C. this is due to its
A. Very high ionization energy and weak metallic bond
B. Low ionization potential
C. High atomic weight
D. High vapour pressure
5 Which of the following is not correct about transition metals?
A. Their melting and boiling points are high
B. Their compounds are generally coloured
C. They can form ionic or covalent compounds
D. They do not exhibit variable valency
6 Group VI-B of transition elements contains:
A. Zn, Cd, Hg
B. Fe ,Ru ,Os
C. Cr, Mo ,W
D. Mn, Te, Re
7 Titanium is used as a catalyst in
A. Hydrogenation
B. Dehydrogenation
C. Polymerization of P.E.
D. Oxidation of ammonia
8 Which element does not belong to 3d transition series
A. Ti
B. V
C. Mn
D. Te
9 Which of the following is a transition element
A. Sr
B. Sn
C. Cr
D. Pb
10 Rusting can be avoided by :
A. Making alloys
B. Tin or Zinc plating
C. Use of enamel
D. All of these

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