1.

On being heated in oxygen, 3.120 g of a metal M converts to 4.560 g of oxide (atomic weight of M= 52.0). Mark the correct statement(s).

Answer»

Equivalent wt. of metal M= 17.33
Number of EQUIVALENTS of oxygen reacted with metal = 0.09
Metal M FORMS halide `MCl_(2)`
The simplest formula of the metal oxide which it forms is `M_(2)O_(3)`

SOLUTION :Weight of oxygen reacted
`=4,560 = 3,120 = 1,440`
No. of equivalents = `(1,440)/8 = 0.18`
Equivalent weight of metal `=3.12/1.44 xx 8 = 17.33`
Valency `=52/17.33 =3`


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