A solid compound X on heating gives `CO_(2)` gas and a residue. The residue mixed with water forms Y. On passing excess of `CO_(2)` through Y in water

Question

A solid compound X on heating gives `CO_(2)` gas and a residue. The residue mixed with water forms Y. On passing excess of `CO_(2)` through Y in water

A solid compound X on heating gives `CO_(2)` gas and a residue. The residue mixed with water forms Y. On passing excess of `CO_(2)` through Y in water, a clear solution Z is obtained. On boiling Z, compound X is reformed. The compound X is
A. `Ca(HCO_(3))_(2)`
B. `CaCO_(3)`
C. `Na_(2)CO_(3)`
D. `K_(2)CO_(3)`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

20 ml of a mixture of `CO_(2) & C_(2)H_(4)` was mixed with excess of `O_(2)` gas & was exploded. On bringing the solution back to the original room te

2 Answers 4 Views

A metal X on heating with nitrogen gas gives Y.Y on treatment with `H_(2)O` gives a colourless gas which on passing through `CuSO_(4)` gives blue solu

2 Answers 4 Views

A sulphate of a metal (A) on heating evolves two gases (B) and ( C) and anoxide (D). Gas (B) turns `K_(2)Cr_(2)O_(7)` paper green while gas (C ) forms

2 Answers 4 Views

A compound X when passed through dil. `H_(2)SO_(4)` containing `HgSO_(4)` gives a compound Y which on reaction with HI and red phosphorus gives `C_(2)

2 Answers 6 Views

Statement 1 `: NH_(4)NO_(2)` on acidification gives brown gas and on alkalination gives a gas which on reaction with HCl gives white fumes because. St

2 Answers 4 Views

An orange coloured compound (A) on heating decomposes to form a solid and gaseous mixture which contain a gas (B) and `H_(2)O` vapour. (B) on treatmen

2 Answers 4 Views

A white powder (A) on heating gave a non-combustible gas and a residue (B). The white compound A on reaction with `H_(2)S` in alkaline medium forms a

2 Answers 4 Views

By heating ammonium dichromate, a colouless gas is evolved. Which of the following compounds would produce the same gas on heating ?

2 Answers 4 Views

An organic compound [A], whose molecular formula is `C_(3)H_(6)O`, gives iodoform reaction and forms compound [B]. Compound [B], when heated with silv

2 Answers 4 Views

An organic compound [A] is `C_(5)H_(8)O_(3).`On heating with soda lime, it gives [B]. The compound [B] reacts with HCN to give another compound [C] wh

2 Answers 4 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`underset((X))(CaCO_(3))rarrCaO+CO_(2)uarr`
`CaO+H_(2)O rarrunderset(Y)(Ca(OH)_(2))`
`Ca(OH)_(2)+2CO_(2)rarr underset(Z)(Ca(HCO_(3))_(2))`
`Ca(HCO_(3))_(2)overset(Delta)(rarr)CaCO_(3)+H_(2)O+CO_(2)uarr`
`Cu^(+2)+CN^(-)+underset((X))((CN)_(2)uarr)`

4 views Answered 2023-02-05 15:29