ECAT Pre Engineering Chemistry Chapter 17 MCQ Test With Answer

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

Group VIB of transition elements contains

Question # 2

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

Question # 3

In physical and chemical properties, transition elements show

Question # 4

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

Question # 5

Which of the following is used as disinfectant

Question # 6

Which of the following metals is sometimes found in native state in nature?

Question # 7

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

Question # 8

The total number of rare earth elements is

Question # 9

Oxalic acid oxidizes to:

Question # 10

The number of unpaired electrons in Fe3+(Z = 26) are

Question # 11

Choose the correct answer of transition elements?

Question # 12

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

Question # 13

Potassium ferrocyanide is a

Question # 14

Interstitial compounds have

Question # 15

Which of the following acts as ligand

Question # 16

The colour of transition metal complexes is due to

Question # 17

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

Question # 18

Stainless steel contains Cr upto

Question # 19

Which of the following is a carbonate are?

Question # 20

Transition metals mostly are

Question # 21

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

Question # 22

How many mole of acidfied FeSO4solution can be completely oxidized by one mole of KMNO4?

Question # 23

Transition metals form complexes due to the participation of partially filled

Question # 24

High purity copper metal is obtained by

Question # 25

f-block elements are called :

Question # 26

Which of the following is not correct about transition metals?

Question # 27

Which one of the following metal ions is colourless?

Question # 28

The total number of transition elements is:

Question # 29

Among the lanthandes the one obtained by synthetic method is

Question # 30

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

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Which of the following metal exhibits more than one oxidation?
A. Na
B. Mg
C. Fe
D. Al
2 Transition elements are called so because:
A. Form interstital sompounds
B. have high m.p
C. In between 's' and' 'p' block elements
D. All of these
3 f-Block elements are also called
A. Non typical transition elements
B. Outer transition elements
C. Normal transition elements
D. Inner transition elements
4 Bell metal is an alloy of Sn and
A. Copper
B. Iron
C. Zinc
D. Magnesium
5 Potassium hexacyanoferrate (II) has the formula
A. K4[Fe(CN)6]
B. K3[Fe(CN)6]
C. K2[Fe(CN)6]
D. K [Fe(CN)6]
6 High purity copper metal is obtained by
A. Carbon reduction
B. Hydrogen reduction
C. Electrolytic reduction
D. Thermite reduction
7 Cu2+with d9electronic configuration appears
A. Yellow
B. Pink
C. Blue
D. Green
8 Which element has 4 unpaired electrons in 3d-orbital
A. Chromium - 24
B. Manganese - 25
C. Iron - 26
D. Cobalt - 27
9 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
10 Coordination number of Pt in [PtCl (NO2) (NH3)4]2-
A. 2-
B. 4
C. 1
D. 6

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