Do Mocktest Online Test Series

# Redox Reactions – Chemistry | NEET Online Mock Test

#### Online Mock Test Description

2

Redox Reactions - NEET (Chemistry)

### Best of Luck!

1 / 30

2 / 30

As + x HNO3 → H3AsO4 + yNO2 +H2O
x, y cab be -

3 / 30

4 / 30

The average oxidation state of N atom in HN3 is

5 / 30

The half-cell reactions are
Pb2+(aq) + 2e- → Pb(s)        E0 = -0.13 V
Ag(s) → Ag+ (aq) + e-           E0 = -0.80 V
Calculate standard EMF.

6 / 30

The equivalent mass of Fe2S3 in the below reaction is, if its Molar Mass is 'M'
Fe2S3 + O2 → Fe2O3 + SO3

7 / 30

xBrO3- + yl- + zH+ → Br- + al2 + bH2O
The values of y and b are respectively

8 / 30

The number of moles of ferrous oxalate oxidised by one mole of KMnO4 in an acidic medium is-

9 / 30

Cl2 + OH- → CI- + CIO3- + H2O Coefficient of Cl2, Cl-
and CIO3-  are respectively

10 / 30

The n-factor of SO₂ in the following reaction is:
K2Cr2O7+ SO2 + H2SO4 → K2SO4 + Cr2 (SO4)3 + H2O

11 / 30

The oxidation number of S in S2O42- and Mg in Mg3N2 respectively are

12 / 30

The equivalent mass of K2Cr2O7 in the given reaction is [K = 39, Cr = 52, O = 16]
K2Cr2O7 → Cr2(SO4)3

13 / 30

In the following reaction 4P + 3KOH+ 3H2O → 3KH2PO2 + PH3

14 / 30

The number of moles of K2Cr2O7 reduced by one mole of Sn2+ ions is

15 / 30

Cu2S + 4SO42- + xH+ → xCu2+ +  ySO32- + H2O
For the balanced equation

16 / 30

Equivalent weight of Mohr's salt in the titration with KMnO4 is (M Mol wt.)

17 / 30

(NH4)2 Cr2O7(s) → N2(g) + Cr2O3(s) + 4H2O(g)
The above reaction is known as

18 / 30

The oxidation states of S atoms in Caro's and Marshall acid are respectively

19 / 30

K2Cr2O7 + 14HCI → 2KCI + 2CrCl3 + 7H2O + 3Cl2
In this reaction, equivalent weight of HCI becomes

20 / 30

The number of peroxide linkages in CrO5 is

21 / 30

Oxidation state of oxygen in KO2 is

22 / 30

The number of moles of Potassium dichromate required to titrate 12 moles of Ferrous oxalate in an acidic medium will be

23 / 30

The oxidation number of N in N2H5+ is

24 / 30

2MnO4- + 5H2O2+ 6H+ → 2Z +5O2 + 8H2O
In this reaction Z is

1. Mn+2
2. Mn+4
3. MnO2
4. MnO4-2

25 / 30

For the reaction
Mx+ + MnO4- → MO3- + Mn2+ + (1/2)O2. If one mole of MnO4- oxidises 1.67 moles of Mx+ to MO3-, then the value of x in the reaction is

26 / 30

The ratio of the equivalent weight of KMnO4 in acidic and neutral medium is

27 / 30

Oxidation states of 'C' in C3O2 are respectively

28 / 30

xZn + уNO3- + ZH2O → xZn+2 + yNH4+ + (z+3y) OH- values of x, y and z will be respectively

29 / 30

5 mole of a mixture of FeSO4. (NH4)2SO4.6H2O and Fe2(SO4)3 required 400 ml 0.5M KMnO4 for complete oxidation in acidic medium. Then % of moles of Fe2(SO4)3 in the mixture is

30 / 30

Which of the following are the examples of disproportionation reactions?

1. [Ag(NH3)2]+ + 2H+ → Ag+ + 2NH4+
2. Cl2 + 2OH- → Cl- + CIO- + H2O
3. NaOH + HCl → NaCl + H2O
4. SnCl2 + 2HgCl2 → SnCl4 + Hg2Cl2