I: If equal masses of sodium metal and chlorine gas are allowed to react, some sodium will be left over after all the chlorine is used up.
II: The reaction requires twice as many atoms of chlorine as sodium.

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Solution

According to law of conservation of mass and concentration there will no sodium left.
$N a + C l \to N a C l$
statement -(i) is incorrect.
and statement (ii) is also incorrect.

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I: If equal masses of sodium metal and chlorine gas are allowed to react, some sodium will be left over after all the chlorine is used up.II: The reaction requires twice as many atoms of chlorine as sodium.

According to law of conservation of mass and concentration there will no sodium left.Na+Cl→NaClstatement -(i) is incorrect.and statement (ii) is also incorrect.

I: If equal masses of sodium metal and chlorine gas are allowed to react, some sodium will be left over after all the chlorine is used up.
II: The reaction requires twice as many atoms of chlorine as sodium.

According to law of conservation of mass and concentration there will no sodium left.
$N a + C l \to N a C l$
statement -(i) is incorrect.
and statement (ii) is also incorrect.