1.

The following flow diagram represents the manufacturing of sodium carbonate ? 2NH_(3)+H_(2)O+CO_(2)rarr (NH_(4))_(2)CO_(3)overset((a))rarrNH_(4)HCO_(3)overset((b))rarr underset(Na_(2)CO_(3)+CO_(2)+H_(2)O)underset(darr (d))(NaHCO_(3))+(c) Which of the following option describes the underlined reagents, products and reaction conditions ?

Answer»

`{:("OPTION",(a),(b),(c ),(d)),(,"CARBON dioxide",NaCl,NH_(4)Cl,"Heat"):}`
`{:("Option",(a),(b),(c ),(d)),(,"Carbon dioxide",NaCl,NH_(4)Cl,"Catalyst"):}`
`{:("Option",(a),(b),(c ),(d)),(,"Higher tempt.",NaCl,NH_(4)Cl,"Heat"):}`
`{:("Option",(a),(b),(c ),(d)),(,"Higher PRESSURE",NaCl,NH_(4)Cl,"Catalyst"):}`

Solution :`NH_(3)+H_(2)O+CO_(2)rarr(NH_(4))_(2)CO_(3)overset(CO_(2))rarrNH_(4)HCO_(3)`
`NH_(4)HCO_(3)+NaClrarrNaHCO_(3)+NH_(4)Cl`.
`2NaHCO_(3)UNDERSET(1373K)overset("Heat")rarrNa_(2)CO_(3)+CO_(2)+H_(2)O`


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