According to law of combining weights if Na, O and Cl formNaCl and Cl_(2)O, then which one will be the third compound ?

According to law of combining weights if Na, O and Cl formNaCl and Cl_

1.	According to law of combining weights if Na, O and Cl formNaCl and Cl_(2)O, then which one will be the third compound ?
Answer» <html><body><p>`NaO_(2)`<br/>`Na_(2)O_(2)`<br/>`Na_(2)O`<br/>All of the above</p>Answer :A::B::C</body></html>