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NEET Exam  >  NEET Tests  >  Test: d & f-Block Elements - 2 - NEET MCQ

Test: d & f-Block Elements - 2 - NEET MCQ


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30 Questions MCQ Test - Test: d & f-Block Elements - 2

Test: d & f-Block Elements - 2 for NEET 2024 is part of NEET preparation. The Test: d & f-Block Elements - 2 questions and answers have been prepared according to the NEET exam syllabus.The Test: d & f-Block Elements - 2 MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: d & f-Block Elements - 2 below.
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Test: d & f-Block Elements - 2 - Question 1
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(T) imparts violet colour (V) Red gas (W) Red ppt.

(W) Red ppt.  white ppt.

(U)  gas (gives white fumes with HCl)

sublimes on heating Identify (T) to (Z).

Detailed Solution for Test: d & f-Block Elements - 2 - Question 1

The correct answer is option B

Test: d & f-Block Elements - 2 - Question 2
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The number of moles of acidified KMnO4 required to convert one mole of sulphite ion into sulphate ion is-

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Test: d & f-Block Elements - 2 - Question 3
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N2(g) + 3H2 (g)  2NH3(g) ; Haber's process, Mo is used as -

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MO is catalytic promoter & it improves catalytic properties as catalyst

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Test: d & f-Block Elements - 2 - Question 4
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Potash alum is a double salt, its aqueous solution shows the characteristics of-
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K2SO4 .Al2(SO4)3.24 H2O + H2O

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Test: d & f-Block Elements - 2 - Question 5
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Cr2O72-  2CrO42-, X and Y are respectively-
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Test: d & f-Block Elements - 2 - Question 6
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Addition of non-metals like B and C to the interstitial sites of a transition metal results the metal-
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Interstitial compound results in
(A) hardness increses
(B) Malleability (decreases)
(C) Ductality (decreases)

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Test: d & f-Block Elements - 2 - Question 7
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Mercury is a liquid at 0°C because of-
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Weak metallic bond as due to poor shielding of d & f orbital its ionisation energy became high & kernel formation becomes  difficult.

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Test: d & f-Block Elements - 2 - Question 8
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CrO3 dissolves in aqueous NaOH to give-
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Test: d & f-Block Elements - 2 - Question 9
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The correct statement(s) about transition elements is/are-
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All statements are comeet
[Ni(CO)4], [Fe(CO)5] [Cr(CO)5]

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Test: d & f-Block Elements - 2 - Question 10
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An ornament of gold having 75% of gold, it is of .............. carat.
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100% – 24 carat

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Test: d & f-Block Elements - 2 - Question 11
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Solution of MnO4- is purple-coloured due to-
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MnO4– has purple colour due to change transfer

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Test: d & f-Block Elements - 2 - Question 12
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The ionisation energies of transition elements are-
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Ionisation energies are between s & p-block.

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Test: d & f-Block Elements - 2 - Question 13
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Transition elements having more tendency to form complex than representative elements (s and p-block elements) due to-
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Complex pormation α (Zeff = Z –σ) tendency

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Test: d & f-Block Elements - 2 - Question 14
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During estimation of oxalic acid Vs KMnO4, self indicator is-
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KMnO4 acts as self indicator.

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Test: d & f-Block Elements - 2 - Question 15
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The metal(s) which does/do not form amalgam is/are-
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Fe, Pt  Refer metallurgy

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Test: d & f-Block Elements - 2 - Question 16
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Which of the following statements concern with transition metals ?
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O.S. different by 1 unit

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Test: d & f-Block Elements - 2 - Question 17
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Correct statement(s) is/are-
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exothermic reaction
(volcanic reaction)

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Test: d & f-Block Elements - 2 - Question 18
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The highest oxidation state among transition elements is-
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O5 (Xe)4f14 sd6 6s2
O58+(Xe) 4f4

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Test: d & f-Block Elements - 2 - Question 19
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A compound of mercury used in cosmetics, in Ayurvedic and Yunani medicines and known as Vermilon is-
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Vermilon cantain floulsmelly HgS.

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Acidified chromic acid

X and Y are - (blue colour)
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Test: d & f-Block Elements - 2 - Question 21
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X(Blue colour ),X and Y are
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CuSO4 + dilH2SO4 → [Cu(H2O)4]SO4

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Test: d & f-Block Elements - 2 - Question 22
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Transition elements are usually characterised by variable oxidation states but Zn does not show this property because of-
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Fully pilled d-subshell
Zn →Zn2+ + 2e- 
3d104s2 3d10

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Test: d & f-Block Elements - 2 - Question 23
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(NH4)2Cr2O7 (Ammonium dichromate) is used in fire works. The green coloured powder blown in air is-
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Test: d & f-Block Elements - 2 - Question 24
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The d-block element which is a liquid at room temperature, having high specific heat, less reactivity than hydrogen and its chloride (MX2) is volatile on heating is-
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HgCl2 is volatile is reffered as corrosive sublimate.

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Test: d & f-Block Elements - 2 - Question 25
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Coinage metals show the properties of-
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Cu, Ag, Au, are coinage metal used in coin in older days.

Test: d & f-Block Elements - 2 - Question 26
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Iron becomes passive by..................due to formation of ................
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Fe + HNO3 → Fe2O3 + NO2 + H2O    
80%

Test: d & f-Block Elements - 2 - Question 27
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Bayer's reagent used to detect olifinic double bond is-
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Cold dilute alkaline KMnO4 is Bayer’s neagent.

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Test: d & f-Block Elements - 2 - Question 28
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Amphoteric oxide(s) is/are-
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oxide of Be, Al, Zn, Cr, Pb, Sn, As, are amphoteric

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Test: d & f-Block Elements - 2 - Question 29
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Interstitial compounds are formed by-
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Transition element froms intershtial compound.

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Test: d & f-Block Elements - 2 - Question 30
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The transition metal used in X-rays tube is-
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Mo is used become of its high melting point.

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