MEDIUM
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Write the expression for calculation the equivalent mass of an element by chloride formation method.

Important Questions on Basic Concepts - Atoms & Molecules

MEDIUM
The equivalent mass of chlorine is 35.5 and the atomic mass of copper is 63.5. the equivalent mass of copper chloride is 99.0. hence, formula of copper chloride is
MEDIUM
2 g of metal carbonate is neutralised completely by 100mL of 0.1 N HCl. The equivalent weight of metal carbonate is
MEDIUM
The equivalent weight of Mohr's salt, FeSO4.(NH4)2SO4.6H2O is equal to when it converts into Fe2SO43:
HARD
In the disproportionation reaction 3HClO3HClO4+Cl2+2O2+H2O, the equivalent mass of the oxidising agent is (molar mass of HClO3=84.45)
MEDIUM
In the following reaction, which choice has value twice that of the equivalent mass of the oxidizing agent?
SO2+H2O3S+2H2O
HARD
3 g of an oxide of a metal is converted to chloride completely and it yielded 5 g of chloride. The equivalent weight of the metal is-
MEDIUM
Arsenic forms two oxides, one of which contains 65.2% and the other 75.5% of the element. Hence, equivalent masses of arsenic are in the ratio
EASY
The equivalent mass of sodium oxalate is _____.
MEDIUM
74.5 g of a metallic chloride contains 35.5 g of chlorine, the equivalent weight of the metal is
MEDIUM
In the reaction,

NaOH + Al OH 3 NaAlO 2 + H 2 O

the equivalent mass of AlOH3 is
EASY
The formula mass of Mohr's salt is 392. The iron present in it is oxidised by KMnO4 in acid medium. The equivalent mass of Mohr's salt is
EASY
74.5 g of a metallic chloride contains 35.5 g of chlorine, the equivalent weight of the metal is
MEDIUM
The formula mass of Mohr's salt is 392. The iron present in it is oxidised by KMnO4 in acid medium. The equivalent mass of Mohr's salt is
EASY
A bivalent metal has an equivalent mass of 32. The molecular mass of the metal nitrate is
EASY
Find the milli-equivalent of H2SO4 in 4.9 g.
MEDIUM
KMnO4 (mol.wt.= 158) oxidizes oxalic acid in acid medium to CO2 and water as follows

5C2O42-+2MnO4-+16H+10CO2+2Mn2++8H2O

What is the equivalent weight of KMnO4?
EASY
The equivalent mass of potassium hydroxide _____.
HARD
10 ml of a sample of H2O2 solution liberates 112 ml of O2 gas at STP upon decomposition. Identify the correct statement(s):
MEDIUM
A bivalent metal has an equivalent mass of 32. The molecular mass of the metal nitrate is
MEDIUM
3 g of an oxide of a metal is converted to chloride completely and it yielded 5 g of chloride. The equivalent weight of the metal is