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D And F Block MCQ -1 (Advanced) - JEE MCQ


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25 Questions MCQ Test - D And F Block MCQ -1 (Advanced)

D And F Block MCQ -1 (Advanced) for JEE 2024 is part of JEE preparation. The D And F Block MCQ -1 (Advanced) questions and answers have been prepared according to the JEE exam syllabus.The D And F Block MCQ -1 (Advanced) MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for D And F Block MCQ -1 (Advanced) below.
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D And F Block MCQ -1 (Advanced) - Question 1

The catalytic activity of transition elements is related to their-

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D And F Block MCQ -1 (Advanced) - Question 2

 

x,y and z are respectively-

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D And F Block MCQ -1 (Advanced) - Question 3


(oxide of nitrogen) ; then X is-

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D And F Block MCQ -1 (Advanced) - Question 4

When KMnO4 solution is added to hot oxalic acid solution, the decolourisation is slow in the beginning but becomes instantaneous after some time. This is because-

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Me2+ acts as auto catalyst initially its amount is low & hence decolourisation is slower but leter on it become fast.

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D And F Block MCQ -1 (Advanced) - Question 5

CuSO4 solution reacts with exces KCN to give -

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CuSO4 + KCN → Cu(CN)2 + H2SO4

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D And F Block MCQ -1 (Advanced) - Question 6

The higher oxidation states of transition elements are found to be in the combination A and B, which are -

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F, O are must electronegative

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D And F Block MCQ -1 (Advanced) - Question 7

In the equation M + 8CN- + 2H2O + O2 → 4[M(CN)2]- + 4OH-, metal M is-

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This ion Mc aorther forrest cyanide process used for Ag, Au (Refer metallurgy)

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D And F Block MCQ -1 (Advanced) - Question 8

An element of 3d-transition series shows two oxidation states x and y, differ by two units then

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Covalent character α polarisity power α charge

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D And F Block MCQ -1 (Advanced) - Question 9

Pick out the incorrect statement :

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MnO2 + HCl → MnCl2+H2O + Cl2
MnO2 + H2SO4 → MnSO4 + H2O + O2

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D And F Block MCQ -1 (Advanced) - Question 10

1 mole of Fe2+ ions are oxidised to Fe3+ ions with the help of (in acidic medium)

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D And F Block MCQ -1 (Advanced) - Question 11

The metals present in insulin and haemoglobin are respectively-

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D And F Block MCQ -1 (Advanced) - Question 12

To an acidified dichromate solution, a pinch of Na2O2 is added and shaken. What is observed.

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D And F Block MCQ -1 (Advanced) - Question 13

The rusting of iron is formulated as Fe2O3. xH2O which involves the formation of -

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D And F Block MCQ -1 (Advanced) - Question 14

Metre scales are made-up-of alloy

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D And F Block MCQ -1 (Advanced) - Question 15

Amongst CuF2, CuCl2 and CuBr2

Detailed Solution for D And F Block MCQ -1 (Advanced) - Question 15

F has low polarisbility & hence CuF is ion but Br & Cl ion has high polarisibity & CuCl2 & CuBr2 are ionic in nature.

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D And F Block MCQ -1 (Advanced) - Question 16

A metal M which is not affected by strong acids like conc. HNO3, conc. H2SO4 and conc. solution of alkalies like NaOH, KOH forms MCl3 which finds use for toning in photography. The metal M is-

Detailed Solution for D And F Block MCQ -1 (Advanced) - Question 16

Noble metal blue Au, Pt, Ir are not effect by conc HNO3 or conc H2SO4 they are only affected by aqua regia. Au is used in photography (present in photograph) Ag + AuCl3 → AgCl + Au

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D And F Block MCQ -1 (Advanced) - Question 17

Solid CuSO4. 5H2O having covalent, ionic as well as co-ordinate bonds.Copper atom/ion forms.......co-ordinate bonds with water.

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D And F Block MCQ -1 (Advanced) - Question 18

CuSO4(aq) + 4NH3 → X, then X is-

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D And F Block MCQ -1 (Advanced) - Question 19

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D And F Block MCQ -1 (Advanced) - Question 20

Purple of cassius is :

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D And F Block MCQ -1 (Advanced) - Question 21

Amongst the following species, maximum covalent character is exhibited by-

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Hg2+ (Xe) 4f10 5d10
Most polarsing cation due to high zeff as shielding of d & f-orbital is very poor

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D And F Block MCQ -1 (Advanced) - Question 22

Number of moles of SnCl2 required for the reduction of 1 mole of K2Cr2O7 into Cr2O3 is (in acidic medium)

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D And F Block MCQ -1 (Advanced) - Question 23

Amphoteric oxide(s) of Mn is/are-

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D And F Block MCQ -1 (Advanced) - Question 24

Pick out the incorrect statement :

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D And F Block MCQ -1 (Advanced) - Question 25

The aqueous solution of CuCrO4 is green because it contains-

Detailed Solution for D And F Block MCQ -1 (Advanced) - Question 25

Cu2+ → blue
CruO42– → yellow

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