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

00:00
Question # 1

Which of the following compounds gives red precipitate with AgNO3?

Question # 2

Group VI-B of transition elements contains:

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

Cuprous ore among the following is

Question # 7

Most transition elements show

Question # 8

The total number of d-bock transition element is

Question # 9

The total number of rare earth elements is

Question # 10

The number of unpaired electrons in Mn2+is

Question # 11

Potassium hexacyanoferrate (II) has the formula

Question # 12

What is the name of the comlex [Ni(CO)4]

Question # 13

Which of the following is a transition element

Question # 14

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

Question # 15

The compound which gives oxygen on moderate heating is

Question # 16

6-d series is in the period :

Question # 17

Rusting can be avoided by :

Question # 18

Sodium thisoulophate is used in photography because of its

Question # 19

Among the lanthandes the one obtained by synthetic method is

Question # 20

Which of the following is used as disinfectant

Question # 21

Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate

Question # 22

d-block elements are also called :

Question # 23

The number of unpaired electrons in ferrous ion ( Z - 26) is

Question # 24

Turnbull's blue is a compound called?

Question # 25

E.D.T.A is

Question # 26

Which has the largest radius?

Question # 27

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

Question # 28

Which alloy contains 50% copper, 25% zinc and 25% nickel

Question # 29

In the manufacture of iron from haematitie,limestone is added to act as

Question # 30

Which period starts from 11Sc to 30Zn ?

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Out of 110 known elements, transition elements are
A. 40
B. 60
C. 50
D. 80
2 Which is used to identify Cu2+ions
A. Nitric acid
B. Sulfuric acid
C. NaOH
D. HCI
3 The colour of transition metal complexes is due to
A. d-d transitions of electrons
B. Para magnetic nature of transition elements
C. Ionization
D. Loss of s-electrons
4 Coordination number of Pt in [Pt Cl(NO2) (NH3)]2-is
A. 2-
B. 4
C. 1
D. 6
5 Which element belong to 5d series
A. V
B. Nb
C. Pd
D. Hf
6 Non-formation of menisus by Hg in presence of O3is due to the formation of
A. Mercuric oxide
B. Mercurous oxide
C. Mercuric chloride
D. Mercurous chloride
7 The Mn3+has ______ color
A. Violet
B. Green
C. Red/brown
D. No color
8 What are alloys
A. A homogenous mixture of two or more elements
B. A homohenous mixture of metal and a non-metal
C. A homogenous mixture of two or more metals
D. None of the above
9 Most transition elements show
A. Diamagnetic behavior
B. Ferromagnetic behavior
C. Paramagnetic behavior
D. None of these
10 Which of the following is obtained when Fe reacts with dil. HNO3?
A. N2O
B. NO
C. NO2
D. None of these

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