D And F Block MCQ -1 (Advanced)


25 Questions MCQ Test Chemistry for JEE Advanced | D And F Block MCQ -1 (Advanced)


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This mock test of D And F Block MCQ -1 (Advanced) for JEE helps you for every JEE entrance exam. This contains 25 Multiple Choice Questions for JEE D And F Block MCQ -1 (Advanced) (mcq) to study with solutions a complete question bank. The solved questions answers in this D And F Block MCQ -1 (Advanced) quiz give you a good mix of easy questions and tough questions. JEE students definitely take this D And F Block MCQ -1 (Advanced) exercise for a better result in the exam. You can find other D And F Block MCQ -1 (Advanced) extra questions, long questions & short questions for JEE on EduRev as well by searching above.
*Multiple options can be correct
QUESTION: 1

The catalytic activity of transition elements is related to their-

Solution:
*Multiple options can be correct
QUESTION: 2

 

x,y and z are respectively-

Solution:



*Multiple options can be correct
QUESTION: 3


(oxide of nitrogen) ; then X is-

Solution:

*Multiple options can be correct
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-

Solution:

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

*Multiple options can be correct
QUESTION: 5

CuSO4 solution reacts with exces KCN to give -

Solution:

CuSO4 + KCN → Cu(CN)2 + H2SO4

*Multiple options can be correct
QUESTION: 6

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

Solution:

F, O are must electronegative

*Multiple options can be correct
QUESTION: 7

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

Solution:

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

*Multiple options can be correct
QUESTION: 8

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

Solution:

Covalent character α polarisity power α charge

*Multiple options can be correct
QUESTION: 9

Pick out the incorrect statement :

Solution:

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

*Multiple options can be correct
QUESTION: 10

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

Solution:

*Multiple options can be correct
QUESTION: 11

The metals present in insulin and haemoglobin are respectively-

Solution:
*Multiple options can be correct
QUESTION: 12

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

Solution:

*Multiple options can be correct
QUESTION: 13

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

Solution:
*Multiple options can be correct
QUESTION: 14

Metre scales are made-up-of alloy

Solution:
*Multiple options can be correct
QUESTION: 15

Amongst CuF2, CuCl2 and CuBr2

Solution:

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

*Multiple options can be correct
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-

Solution:

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

*Multiple options can be correct
QUESTION: 17

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

Solution:

*Multiple options can be correct
QUESTION: 18

CuSO4(aq) + 4NH3 → X, then X is-

Solution:

*Multiple options can be correct
QUESTION: 19

Solution:

*Multiple options can be correct
QUESTION: 20

Purple of cassius is :

Solution:

*Multiple options can be correct
QUESTION: 21

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

Solution:

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

*Multiple options can be correct
QUESTION: 22

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

Solution:

*Multiple options can be correct
QUESTION: 23

Amphoteric oxide(s) of Mn is/are-

Solution:

*Multiple options can be correct
QUESTION: 24

Pick out the incorrect statement :

Solution:
*Multiple options can be correct
QUESTION: 25

The aqueous solution of CuCrO4 is green because it contains-

Solution:

Cu2+ → blue
CruO42– → yellow

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