NEET Questions Solved


The number of peroxide linkages in CrO5 is /are

(1) one

(2) two

(3) three

(4) none

Concept Videos :-

#2 | Oxidising & Reducing Agent
#6 | Balancing of Equation by suing n Factor

Concept Questions :-

Oxidation & Reducing Agents (Oxidation No)

(2) CrO5 

CrO5 contains two peroxide linkages.

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Conversion of PbSO4 to Pbs is:

(a) reduction of S

(b) oxidation of S

(c) dissociation

(d) none of these

Concept Videos :-

#2 | Oxidising & Reducing Agent
#6 | Balancing of Equation by suing n Factor

Concept Questions :-

Oxidation & Reducing Agents (Oxidation No)

(a) Sulphur gets reduced from +6 to -2.

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In which reaction the underlined substance has been reduced?

(a) Carbon Monoxide + Copper Oxide  Carbon Dioxide + Copper

(b) Copper Oxide + Hydrochlorid Acid  Water + Copper Chloride

(c) Steam + Iron Hydrogen + Iron oxide

(d) Hydrogen+ Iron Oxide  Water + Iron

Concept Videos :-

#2 | Oxidising & Reducing Agent
#6 | Balancing of Equation by suing n Factor

Concept Questions :-

Oxidation & Reducing Agents (Oxidation No)

(c) H21+O  H20; Steam is reduced.

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Oxidation number of Fe in K3[Fe(CN)6] is:

(a) +2

(b) +3

(c) +4

(d) +1

Concept Videos :-

#2 | Oxidising & Reducing Agent
#6 | Balancing of Equation by suing n Factor

Concept Questions :-

Oxidation & Reducing Agents (Oxidation No)

(b) 3 x 1 + a + 6 x (-1) = 0

∴a = +3

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It is found that v forms a double salt isomorphous with Mohr's salt. The oxidation number of V in this compound is:

(a) +3

(b) +2

(c) +4

(d) -4

Concept Videos :-

#2 | Oxidising & Reducing Agent
#6 | Balancing of Equation by suing n Factor

Concept Questions :-

Oxidation & Reducing Agents (Oxidation No)

(b) VSO4 is isomorphous to,FeSO4.(NH4)2SO4.6H2O.

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The correct order of reducing power of halide ions is:

(a) Cl- > Br- > I- > F-

(b) Cl- >  I- > Br- > F-

(c)  Br> Cl- > I- > F-

(d)  I- > Br> Cl- > F-

Concept Videos :-

#2 | Oxidising & Reducing Agent
#6 | Balancing of Equation by suing n Factor

Concept Questions :-

Oxidation & Reducing Agents (Oxidation No)

(d) Due to higher EOP° order. 

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When H2SO3 is converted into H2SO4 the change in the oxidation state of sulphur is from:

(a) 0 to +2

(b) +2 to +4

(c) +4 to +2

(d) +4 t0 +6

Concept Videos :-

#2 | Oxidising & Reducing Agent
#6 | Balancing of Equation by suing n Factor

Concept Questions :-

Oxidation & Reducing Agents (Oxidation No)

(d) S4+ S6+ + 2e

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In which of the following processes nitrogen is oxidised?

(a) NH4+ N2

(b) NO3- NO

(c) NO2 NO2-

(d) NO3 NH4+ 

Concept Videos :-

#2 | Oxidising & Reducing Agent
#6 | Balancing of Equation by suing n Factor

Concept Questions :-

Oxidation & Reducing Agents (Oxidation No)

(a) 2N3- N2O + 6e

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In which reaction is hydrogen acting as an oxidising agent?

(a) With ioding to give hydrogen iodide

(b) With lithium to give lithium hydride

(c) With nitrogen to give ammonia

(d) With sulphur to give hydrogen sulphide

 

Concept Videos :-

#2 | Oxidising & Reducing Agent
#6 | Balancing of Equation by suing n Factor

Concept Questions :-

Oxidation & Reducing Agents (Oxidation No)

(b) 2e + H202H1-

Li Li1+ + e

H2 is reduced and thus, oxidant.

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Fluorine is a strong oxidising agent because:

(a) it has several isotopes

(b) it is very small and has 7 electrons in valency shell

(c) its valency is one

(d) it is the first member of the halogen series

Concept Videos :-

#2 | Oxidising & Reducing Agent
#6 | Balancing of Equation by suing n Factor

Concept Questions :-

Oxidation & Reducing Agents (Oxidation No)

(b) Due to smallest halogen, it possesses maximum tendency for accepting electron in aqueous medium.

(1/2) F2+e+aq F-H=-ve(max.for F2)

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