The equivalent mass of a certain bivalent metal is 20. The molecular mass of its anhydrous chloride is
The equivalent mass of a certain bivalent metal is 20. The molecular mass of its anhydrous chloride is
A. `91`
B. `111`
C. `55.5`
D. `75.5`
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Correct Answer - B
Atomic mass of metal = Eq. mass `xx` valency
`=20xx2=40`
Molecular formula of anhydrous chloride `=MCl_(2)`
Molecular mass of chloride `=40+2+xx35.5 =111`
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