Identify (A), (B), (C ) and (D) and give their formula:
`(A)_((aq))+Zn rarr(B)_((g))`
`(A)_((aq))+(C )overset(Delta)rarr PH_(3)`
`(A)_((aq))+NH_(4)CI rarr (D)_((g))`
Compound (A) imparts golden yellow colour to the Bunsen flame.

Identify (A), (B), (C ) and (D) and give their chemical formulate. (A)+NaOH overset(Delta)rarr NaCI+NH_(3)+H_(2)O NH_(3)+CO_(2)+H_(2)O rarr (B) (B)+NaCI rarr (C )+NH_(4)CI (C )overset(Delta)rarr Na_(2)CO_(3)+H_(2)O+(D)

Identify (A), (B), (C ) and (D) and give their chemical formulate. (A)+NaOH overset(Delta)rarr NaCI+NH_(3)+H_(2)O NH_(3)+CO_(2)+H_(2)O rarr (B) (B)+NaCI rarr (C )+NH_(4)CI (C )overset(Delta)rarr Na_(2)CO_(3)+H_(2)O+(D)

Complete the reaction Zn(s) + NaOH(aq) overset(Delta)rarr

Balance the conversions : I^(-)(aq) overset(H^(+))rarr I_(2)(g) and Fe^(2+)(aq) overset(H^(+))rarr Fe^(3+)(aq)

(i) Inorganic compound 'A' (aq) + "DeVarda's alloy" overset(Delta)rarr B (g) + "salt" (ii) 'A'(aq) + C overset(Delta)rarr PH_(3) (g) , (iii) A (aq) + NH_(4)Cl overset(Delta)rarr D (g) + Cl^(-) +H_(2)O , (iv) B is colourless combustible lightest gas. (v) D-truns red litmus blue. Which of the following combination is correct ?

(i) Inorganic compound 'A' (aq) + "DeVarda's alloy" overset(Delta)rarr B (g) + "salt" (ii) 'A'(aq) + C overset(Delta)rarr PH_(3) (g) , (iii) A (aq) + NH_(4)Cl overset(Delta)rarr D (g) + Cl^(-) +H_(2)O , (iv) B is colourless combustible lightest gas. (v) D-truns red litmus blue. Which of the following combination is correct ?

Identify the limiting reagent in the above reaction. Zn_(s) + HCl_(aq) rarr ZnCl_(2(aq)) + H_(2(g))