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

[Ti(H2O)6]+3ion absorbs colour:

Question # 2

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

Question # 3

The amount of Ni in stainless steel is

Question # 4

AgCl is soluble is

Question # 5

Which of the following is not related to transition metals

Question # 6

The total number of d-bock transition element is

Question # 7

The less reactivity of transition metal is due to

Question # 8

Group VI-B of transition elements contains:

Question # 9

Electronic configuration of Cu+2is

Question # 10

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

Question # 11

Most transition elements show

Question # 12

Rusting can be avoided by :

Question # 13

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

Question # 14

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

Question # 15

Which of the following is not correct about transition metals?

Question # 16

Which of the following is not an element?

Question # 17

The colour of the transition metal compounds is due to

Question # 18

4-d series is in the period:

Question # 19

Which element has 4 unpaired electrons in 3d-orbital

Question # 20

Corrosion of iron can be prevented by coating the surface with

Question # 21

Out of 110 known elements, transition elements are

Question # 22

Maximum variable oxidation state is of:

Question # 23

The compound which gives oxygen on moderate heating is

Question # 24

Which element belong to 5d series

Question # 25

Transition metals mostly are

Question # 26

Interstitial compounds have

Question # 27

Cuprous ore among the following is

Question # 28

The iron obtained from blast furnace is

Question # 29

Stainless steel contains ion and carbon along with

Question # 30

Which element does not belong to 3d transition series

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Sr.# Question Answer
1 Which of the following is a transition element
A. Sr
B. Sn
C. Cr
D. Pb
2 Coordination number of Pt in [PtCI(NO2) (NH3)4]2+is
A. 2-
B. 4
C. 1
D. 6
3 Which period starts from 11Sc to 30Zn ?
A. First Period
B. Second Period
C. Third Period
D. 4th Period
4 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
5 German silver does not contain
A. Cu
B. Zn
C. Ni
D. Mn
6 Which of the following is used as disinfectant
A. K2Cr2O7
B. KMnO4
C. K2MnO4
D. K2CrO4
7 Potassium chromate has formula
A. KClO3
B. K2CO3
C. K2CrO4
D. K2Cr2O7
8 E.D.T.A is
A. Mono-dentate
B. Bi-dentate
C. Polydentate
D. Having three lone pairs of electrons
9 The oxidation state of Fe in [Fe(CN)6]3-is
A. +2
B. +3
C. +4
D. -3
10 Which is in differnet phase form other metals
A. Ni
B. Hg
C. Cd
D. Na
11 What is wrong about transition metals?
A. Diamagnetic
B. Paramagnetic
C. Form complexes
D. Shows variable oxidation state
12 Which of the following is non-typical transition element?
A. Cr
B. Mn
C. Zn
D. Fe
13 Which element belong to 5d series
A. V
B. Nb
C. Pd
D. Hf
14 Interstitial compounds have
A. Half formula
B. Fixed formula
C. Indefinite formula
D. None
15 Coordination sphere may be:
A. Cationic
B. Anionic
C. Neutral
D. All above
16 Which of the following metal exhibits more than one oxidation?
A. Na
B. Mg
C. Fe
D. Al
17 The geometrical shape of a transition complexion is related to the state of hybridizing of the central atom. What is trigonal bipyramidal
A. sp3
B. dsp2
C. dsp3
D. d2sp3
18 Which of the following elements does not show variable oxidation states?
A. Copper
B. Iron
C. Zinc
D. Titanium
19 Which one of the following metal ions is colourless?
A. V2+
B. Cr3+
C. Zn2+
D. Ti3+
20 Series starting form 39Y to 48CD is in period:
A. 4th
B. 5th
C. 6th
D. 7th
21 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
22 Rusting of iron is catalysed by
A. Fe
B. O2
C. Zn
D. H+
23 Choose the correct answer of transition elements?
A. Transition elements have low melting points
B. Transition elements do not have catalytic activity
C. Transition elements exhibit variable oxidation states
D. Transition elements exhibit inert pair effect
24 The amount of Ni in stainless steel is
A. 3%
B. 4%
C. 5%
D. 8%
25 The number of unpaired electrons in ferrous ion ( Z - 26) is
A. 3
B. 2
C. 4
D. 5
26 3-d series elements are present in:
A. First period
B. Second Period
C. Third period
D. 4th period
27 In the manufacture of iron from haematitie,limestone is added to act as
A. Flux
B. A reducing agent
C. Slag
D. An oxidizing agent
28 A phtotographic plate is coated with an emulsion of silver nitrate and
A. AgCI
B. AgI
C. AgBr
D. NaNO3
29 How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?
A. 10
B. 5
C. 6
D. 2
30 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction

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