The formula Na₂O shows Na oxidation number to be – McqOptions

MCQOPTIONS

1.	The formula Na₂O shows Na oxidation number to be
A.	+1
B.	+2
C.	- 1
D.	-2
Answer» B. +2

Discussion

No Comment Found

Related MCQs

What is the volume strength of H2O2 of its 11.2 ml requires 30 ml of 0.5 M 2Cr2O7?
How many moles of KMnO4 are required for complete oxidation of 1.25 mol Cu2S? Cu2S → Cu+2 + SO2
How many moles of KCI are required to produce 10 mol Cl2 by the reaction with KCIO3?
What is the concentration of H2O2 solution of 20 ml of H2O2 solution which will react completely with 10 ml of 2 M KMnO4 in acidic medium?
What is the mass of Fe304 if it reacts completely with 25 ml of 0.3m K2Cr2O7?
What is the volume of 0.05 M KMnO4 which will react with 50 ml of 0.1 M H2S in acidic medium (H2S → S02)?
What is the mass of K2Cr2O7 required to produce 254 gm I2 from KI solution? Given: K2Cr2O7 + 2KI → 2Cr3+ + I2
How many number of moles of KMnO4 will react with 180 gm H2C2O4 according to given reaction?KMnO4 + H2C2O4 → 2C02 + Mn2+
Excess of KI reacts with CuSO4 solution and then Na2S2O3 solution is added to it. Which of the statement is incorrect for this reaction?
KMnO4 reacts with oxalic acid according to the equation given below. Here 20 mL of 0.1 M KMnO4 is equivalent to how many mL and molarity of H2C2O4? 2MnO4– + 5C2O4– + 16H+ → 2Mn+1 + 10CO2 + 8H2O