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NEET Exam  >  NEET Tests  >  Test: General Properties of the Transition Elements (d-Block) (December 9) - NEET MCQ

Test: General Properties of the Transition Elements (d-Block) (December 9) - NEET MCQ


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10 Questions MCQ Test - Test: General Properties of the Transition Elements (d-Block) (December 9)

Test: General Properties of the Transition Elements (d-Block) (December 9) for NEET 2024 is part of NEET preparation. The Test: General Properties of the Transition Elements (d-Block) (December 9) questions and answers have been prepared according to the NEET exam syllabus.The Test: General Properties of the Transition Elements (d-Block) (December 9) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: General Properties of the Transition Elements (d-Block) (December 9) below.
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Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 1
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An element has configuration 4d55s2. The element belongs to

Detailed Solution for Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 1

Ford-block elements, group number is equal to the number of electrons in (n - 1)d subshell + number of electrons in valence shell (nth shell).

Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 2
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The electronic configuration of palladium is

Detailed Solution for Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 2

[Kr]4d105s0

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Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 3
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A red solid is insoluble in water. However, it becomes soluble if some KI is added to water. Heating the red solid in a test tube results in liberation of some violet coloured fumes and droplets of a metal appear on the cooler parts of the test tube. The red solid is  

Detailed Solution for Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 3

*Multiple options can be correct
Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 4
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Which one of the following is a diamagnetic ion?
Detailed Solution for Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 4

The correct answer is option A,D.
About two–thirds of all metals crystallize in closest-packed arrays with coordination numbers of 12. Metals that crystallize in an HCP structure include Cd, Co, Li, Mg, Na, and Zn, and metals that crystallize in a CCP structure include Ag, Al, Ca, Cu, Ni, Pb, and Pt.

Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 5
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Passage

The atomic and ionic radii for transition elements are smaller than their corresponding s-block elements and are greater than their corresponding p-block elements. The atomic and ionic radii transition elements for a given series show decreasing trend for first elements constant in the middle and slight increase towards the end. This is due to the combined effect of increasing effective nuclear charge and increasing screening effect along the period.
The atomic and ionic radii of 4d series are greater than 3d series. However, the elements of 4d series and 5d series have almost similar sizes due to lanthanide contraction. Transition elements have low atomic volumes, high densities, high melting points.

Q. 

The metal with high melting point in 3d series is
Detailed Solution for Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 5

The high melting point of Cr metal is attributed to the involvement of greater number of electrons from (n - 1) d in addition to ns electrons in the interatomic metallic bonding.

Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 6
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Only One Option Correct Type

Direction (Q. Nos. 1-10) This section contains 10 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE is correct.

Q. 

Atomic number of second transition series lies from
Detailed Solution for Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 6

Since,1st transition series belongs to 3d orbital and 2nd transition series belongs to 4d-orbital. According to the given option, atomic number 39 to 48 (5s24d1-10) belongs to second transition series.

*Answer can only contain numeric values
Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 7
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Number of elements that generally do not show variable valencies Cu, Zn Au, Cd, Sc, La, Pt, Co.

Detailed Solution for Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 7

Zn, Cd, Sc and La do not show variable valencies.

Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 8
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The atomic radii of Cu and Ag are 1.17 Å and 1.34 Å. The atomic radius of gold is expected to be
Detailed Solution for Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 8

Due to lanthanide contraction, Ag and Au have nearly same size.

Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 9
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Statement Type

Direction (Q. No. 25) This section is based on Statement I and Statement II. Select the correct answer from the codes given below.

Q. 

Statement I : The highest oxidation state of osmium is +8.

Statement II : Osmium is a 5-d block element.
Detailed Solution for Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 9

Osmium has the electronic configuration 5de6s2. As 5d and 6s are close in energy, all the 8 electron can participate in bonding. highest oxidation state of osmium is +8 due to its ability to expand their octet by using its all 8 electrons (2 from 6s and 6 from 5d).

*Multiple options can be correct
Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 10
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The pair of ions that have same electronic configuration
Detailed Solution for Test: General Properties of the Transition Elements (d-Block) (December 9) - Question 10

Both Fe2+ and Co3+ have [Ar] 3d6 configuration while V2+ and Cr3+ have [Ar] 3d3.

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