Mole ConceptMedium
Question
Total number of valence electrons present in 6.4 g peroxides ion (O2 2–) is
Options
A.0.2NA
B.3.2NA
C.3.6NA
D.2.8NA
Solution
Number of valence electrons $= (2 \times 6 + 2) \times \frac{6.4}{32} \times N_{A} = 2.8N_{A}$
Create a free account to view solution
View Solution FreeMore Mole Concept Questions
A quantity of 10 g of a piece of marble was put into excess of dilute HCl acid. When the reaction was complete, 1120 cm3...If ‘JAYARAO BANDA’ is written by a graphite pencil, it weighs 3.0 × 10–10 g. How many carbon atoms are present in it? (N...Dopamine is a neurotransmitter, a molecule that serves to transmit message in the brain. The chemical formula of dopamin...A polystyrene of formula Br3C6H2(C8H8) n was prepared by heating styrene with tribromobenzyl peroxide in the absence of ...When acetylene is passed through red hot metal tubes, some molecules trimerize to form benzene. The molecular mass of th...