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Test: Introduction to Transition Metals - JEE MCQ


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15 Questions MCQ Test Chemistry for JEE Main & Advanced - Test: Introduction to Transition Metals

Test: Introduction to Transition Metals for JEE 2024 is part of Chemistry for JEE Main & Advanced preparation. The Test: Introduction to Transition Metals questions and answers have been prepared according to the JEE exam syllabus.The Test: Introduction to Transition Metals MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Introduction to Transition Metals below.
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Test: Introduction to Transition Metals - Question 1

Outof [TiF6]2, [CoF6]3−, Cu2Cl2 and [NiCl4]2− (Z of Ti = 22, Co = 27, Cu = 29, Ni = 28), the colourless species are:

Detailed Solution for Test: Introduction to Transition Metals - Question 1

The colour exhibited by transition metal ions is due to the presence of unpaired electrons in -orbitals which permits the excitation of electrons.
In is in O.S. -colourless
In is in coloured
In is in O.S. colourless
In is in coloured

Test: Introduction to Transition Metals - Question 2

The basic character of the transition metal monoxides follows the order (Atomic Nos., Ti = 22, V = 23, Cr = 24, Fe = 26)

Detailed Solution for Test: Introduction to Transition Metals - Question 2

The order of basic character of the transition metal monoxide is TiO > VO > CrO > FeO because basic character of oxides decreases with increase in atomic number.

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Test: Introduction to Transition Metals - Question 3

Which of the following statement is incorrect?

Detailed Solution for Test: Introduction to Transition Metals - Question 3
(a), (b) and (d) are correct statements.
(c) There is drop in enthalpy of atomization at manganese because of half filled stable electronic configuration leading to less mobilisation of electrons. This results in weaker metallic bonds.
Test: Introduction to Transition Metals - Question 4
On the basis of data given below,

Which of the following statements is incorrect?
Detailed Solution for Test: Introduction to Transition Metals - Question 4
is more stable than , thus
Test: Introduction to Transition Metals - Question 5

A metal M and its compound can give the following observable changes in a consequence of reactions

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Test: Introduction to Transition Metals - Question 6
Which of the statements is not true?
Detailed Solution for Test: Introduction to Transition Metals - Question 6
is hygroscopic.
Test: Introduction to Transition Metals - Question 7

The blue complex formed on addition of conc. solution to a salt solution has the structure?

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Test: Introduction to Transition Metals - Question 8
When is added to oxalic acid, the decolourisation is slow in the beginning but becomes instantaneous after sometime because
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Little bit acid is required for reaction acts as autocatalyst.
Test: Introduction to Transition Metals - Question 9

Number of electrons transfered in each case when acts as an oxidising agent to give , and are respectively

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Test: Introduction to Transition Metals - Question 10

Chloro compound of Vanadium has only spin magnetic moment of . This Vanadium chloride has the formula:

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On calculating the value of we find No. of unpaired electrons hence its configuration will be

Its chloride has the formula

Test: Introduction to Transition Metals - Question 11
Which of the following compounds has colour but no unpaired electrons?
Detailed Solution for Test: Introduction to Transition Metals - Question 11
Electronic configuration of is . Being transition metal it has 7 valence electrons and all are involved in bond formation in . Hence it has no unpaired electron.
Test: Introduction to Transition Metals - Question 12
Which element of the -series has highest third ionisation enthalpy?
Detailed Solution for Test: Introduction to Transition Metals - Question 12
The electronic configuration of zinc metal is

The third ionisation enthalpy of means removal of electron from the stable configuration of .
The metal having the highest third ionisation enthalpy is . Hence, the correct option is (b).
Test: Introduction to Transition Metals - Question 13

In which of the tollowing ions, d-d transition is not possible ?

Detailed Solution for Test: Introduction to Transition Metals - Question 13

Due to absence of d-electron in Ti4+([Ar]183 d04 s0),d−d transition is not possible.

Test: Introduction to Transition Metals - Question 14
Whch of the following pairs involves isoelectronic ions
Detailed Solution for Test: Introduction to Transition Metals - Question 14
Among the given choice and involve isoelectronic ions.
Test: Introduction to Transition Metals - Question 15

In a reaction the ferrous (Fe+2) ion is oxidised to ferric (Fe+3) ion. The equivalent weight of the ion in the above reaction is equal to

Detailed Solution for Test: Introduction to Transition Metals - Question 15

The atomic weight :
Equivalent weight

Equivalent weight Atomic weight

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