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)

ZnCI_(2)+NaHCO_(3)overset("Heat")rarr (A)overset("Heat")rarr (B)+(C )+H_(2)O (B)+NaOH rarr (D) Identify the compound (D) present in the solution.

H_(3)BO_(3)(s) + aq. NaOH overset(Delta)rarr(X) , H_(3)BO_(3)(s) + "molten" NaOH overset(Delta)rarr (Y) Compound (X) & (Y) are respectively,

overset("SOCl"_(2))(rarr) (A) overset("KCN")(rarr) (B) overset(H^(+))(rarr) (C ), the compound (C ) is

(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 ?

Consider the following reaction , C_(6)H_(5)NH_(2)+CHCl_(3)+KOHoverset(Delta)rarr(A)overset(H^(+)//H_(2)O)rarr(B)+(C) The compounds (B) and (C) are :-

Identify A and B in the following reactions A overset( "Aq. NaOH ") ( rarr) C_(2)H_(5) OH overset( "AgOH") ( larr)B

In the reaction : 2Al(s) + 6HCl(aq) rarr 2 Al^(3+)(aq) + 6 Cl^(-)(aq) + 3H_(2)(g)

Identify (A) + N_(2) overset(Delta) rarr (B) overset(H_(2) O) rarr underset("White ppt.") ((C)darr) (D)_((g)) White precipitate ( C) dissolves is NaOH solution the gas (D) gives white fumes with HCl .

Identify A to G in the following. (a) overset(Br_(2), C Cl_(4))rarr A overset(KCN)rarr B overset(H_(3)O^(+))rarr C (b) overset(Br_(2), C Cl_(4))rarr D overset(KCN)rarr E overset(H_(3)O^(+))rarr G