1
In which of the following compounds does iron have the lowest oxidatio ...
Equivalent Concept
2
The formula of brown ring complex is [Fe(H2O)5(NO)]SO4. The oxidation ...
Equivalent Concept
3
The oxidation states of the most electronegative element in the produc ...
Equivalent Concept
4
The ratio of coefficients of HNO3, Fe(NO3)2, and NH4NO3 in the followi ...
Equivalent Concept
5
An oxide, X2O3 is oxidized to XO4^- by Cr2O7^2- in acid medium. The nu ...
Equivalent Concept
6
In a reaction, calcium phosphate is producing calcium hydrogen phospha ...
Equivalent Concept
7
Equivalent weight of MnO4^- in acidic, basic, neutral medium is in the ...
Equivalent Concept
8
The equivalent weight of NaHC2O4 in reaction with NaOH is ...
Equivalent Concept
9
H2O2 disproportionates into H2O and O2. The equivalent weight of H2O2 ...
Equivalent Concept
10
A metal carbonate on heating is converted to metal oxide and is reduce ...
Equivalent Concept
11
NH3 is oxidized to NO by O2 in basic medium. Number of equivalents of ...
Equivalent Concept
12
Equivalent mass of a bivalent metal is 32.7. Molecular mass of its chl ...
Equivalent Concept
13
When a metal carbonate is treated with excess of dilute sulphuric acid ...
Equivalent Concept
14
A quantity of 1.878 g of a metal bromide when heated in a stream of hy ...
Equivalent Concept
15
Equal volumes of 10% (w/v) H2SO4 solution and 10% (w/v) NaOH solution ...
Equivalent Concept
16
The volume of 0.10 M – AgNO3 should be added to 10.0 ml of 0.09 M – K2 ...
Equivalent Concept
17
What volume of gaseous NH3 at 0°C and 1 atm will be required to be pas ...
Equivalent Concept
18
A volume of 12.5 ml of 0.05 M selenium dioxide, SeO2, reacted with exa ...
Equivalent Concept
19
Calcium oxalate is insoluble in water. This property has been used to ...
Equivalent Concept
20
One gram of ferrous oxalate dissolved in dil. H2SO4 is treated with KM ...
Equivalent Concept
21
Magnesium hydroxide is the white milky substance in milk of magnesia. ...
Equivalent Concept
22
A quantity of 20 g of H3PO4 is dissolved in water and made up to 1 L. ...
Equivalent Concept
23
A quantity of 0.84 g of an acid (molecular mass = 150) was dissolved i ...
Equivalent Concept
24
A quantity of 0.10 g of anhydrous organic acid requires 22.22 ml of 0. ...
Equivalent Concept
25
The specific gravity of a given H2SO4 solution is 1.76. A quantity of ...
Equivalent Concept
26
A quantity of 1 g of metal carbonate was dissolved in 25 ml normal HCl ...
Equivalent Concept
27
A quantity of 10 g of a sample of silver, which is contaminated with s ...
Equivalent Concept
28
A 0.2 g sample of iron wire containing 98% iron is dissolved in acid t ...
Equivalent Concept
29
One litre of a mixture of O2 and O3 at 0°C and 1 atm was allowed to re ...
Equivalent Concept
30
A 45 ml (specific gravity 1.02) of chlorine water is treated with an e ...
Equivalent Concept
31
Calculate the temporary and permanent hardness of water sample having ...
Equivalent Concept
32
A volume of 100 L of hard water requires 5.6 g of lime for removing te ...
Equivalent Concept
33
In the mixture of NaHCO3 and Na2CO3, volume of a given HCl required is ...
Equivalent Concept
34
A volume of 25 ml of (N/10)-Na2CO3 solution neutralizes 10 ml of a dil ...
Equivalent Concept
35
The normality of a solution of a mixture containing HCl and H2SO4 is N ...
Equivalent Concept
36
A volume of 25 ml of 0.017 M HSO3^- in strongly acidic solution requir ...
Equivalent Concept
