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

Cuprous ore among the following is

Question # 2

Choose the correct answer of transition elements?

Question # 3

Which period starts from 11Sc to 30Zn ?

Question # 4

High purity copper metal is obtained by

Question # 5

The total number of transition elements is

Question # 6

Which of the following d-block elements can show the highest oxidation number in its compounds

Question # 7

Which element does not belong to 3d transition series

Question # 8

Which of the following is a not typical transition element

Question # 9

The protection of steel by chrome plating is due to

Question # 10

The colour of transition metal complexes is due to

Question # 11

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

Question # 12

Which is the correct electronic configuration of Cr - 24

Question # 13

Among the lanthandes the one obtained by synthetic method is

Question # 14

Across the lanthanide series, the basicity of the lanthanide hydroxides

Question # 15

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

Question # 16

Addition of iron fillings to CuSO4solution caused precipitation of Cu owing to the

Question # 17

A transition metal complex can be recognized by various terms. Which is not the proper term

Question # 18

[Cu[NH3)4]+2will form ______ structure

Question # 19

Which of the following has the maximum number of unpaired d-electrons?

Question # 20

Which is not a bidentate ligand

Question # 21

Bronze is an alloy which contains

Question # 22

During oxidation in k2Cr2O7, Cr VI changes to :

Question # 23

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

Question # 24

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

Question # 25

The number of unpaired electrons in Mn2+is

Question # 26

Transition elements form which type of bond

Question # 27

Which is used to identify Cu2+ions

Question # 28

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

Question # 29

Most transition elements show

Question # 30

Potassium hexacyanoferrate (II) has the formula

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ECAT Chemistry Chapter 17 Important MCQ's

Sr.# Question Answer
1 Maximum variable oxidation state is of:
A. Mn+2
B. Fe+3
C. Cr+1
D. a and b
2 IIB elements (Zn, Cd, Hg) and III B elements (Sc, Y and La) are
A. Non typical transition element
B. Typical transition element
C. Normal elements
D. Inner transition element
3 [Cu[NH3)4]+2will form ______ structure
A. Square planar
B. Tetrahedral
C. Octahedral
D. Trigonal bipyramidal
4 In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is
A. 3
B. 2
C. 5
D. Zero
5 The color of Cr3+ion is
A. Violet
B. Blue
C. Pink
D. Green
6 Which is not a bidentate ligand
A.
7 What is wrong about transition metals?
A. Diamagnetic
B. Paramagnetic
C. Form complexes
D. Shows variable oxidation state
8 Which of the following is a carbonate are?
A. Pyrolusite
B. Malchite
C. Diaspore
D. cassiterite
9 Which alloy contains 50% copper, 25% zinc and 25% nickel
A. German silver
B. Gun metal
C. Bell metal
D. Brass
10 Which of the following is non-typical transition element?
A. Cr
B. Mn
C. Zn
D. Fe

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