The oxidation number and covalency of sulphur in the sulphur molecule (S8) are respectively:
1. 0, and 2
2. +6, and 8
3. 0, and 8
4. +6, and 2
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
Hypochlorite disproportionate to give
1. Cl- and Cl
2. Cl and Cl
3. Cl and Cl-
4. Cl and Cl-
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
When Cl2 is converted into Cl- & Cl then n-factor of Cl2 will be:
1. 3/5
2. 5/3
3. 7/2
4. 2
MnO2 + 4HCl MnCl2+2H2O+Cl2, the equivalent wt. of HCl will be (MMol wt of HCl)
1. M
2. M/2
3. 2M
4. M/4
In the following unbalanced reaction
A2+ + B3+ A4+ + B
The total number of e- transferred during reaction is:
1. 2
2. 3
3. 6
4. 8
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
In the reaction
xBrO3- + yCr+3 + zH2O Br2 + CrO4-2 + H+
the coefficients x,y,z are respectively ?
1. 6, 10, 11
2. 6, 10, 20
3. 6, 8, 22
4. 6, 10, 22
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
In the reaction
Al + Fe3O4 Al2O3 + Fe
total number of electrons transferred during reaction are:-
1. 6
2. 8
3. 8/3
4. 24
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
x gram of pure As2S3 is completely oxidised to respective highest oxidation states by 50 ml of 0.1 M hot acidified KMnO4 then x mass of As2S3 taken is : (Molar mass of As2S3 = 246)
1. 22.4 g
2. 43.92 g
3. 64.23 g
4. None
In the reaction Na2S2O3 + 4Cl2 + 5H2O → Na2SO4 + H2SO4 + 8HCI the equivalent weight of Na2S2O3 will be
1. M/4
2. M/8
3. M/1
4. M/2
(M= molecular weight of Na2S2O3)
In the reaction CrO5 + H2SO4 → Cr2(SO4)3 + H2O + O2 one mole of CrO5 will liberate how many moles of O2
1. 5/2
2. 5/4
3. 9/2
4. none of these
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 20 chapters you need to be enrolled in MasterClass Course.