Home
Class 12
CHEMISTRY
A metal M and its compound can give the ...

A metal M and its compound can give the following observable changes in a consequence of reactions
`Munderset(HNO_(3))overset("dilute")(rarr)["Colourless Solutions"]underset(NaOH)overset("aqueous")(rarr)["White Precipitate"]underset("NaOH(aq)")overset("excess")(rarr)["Colourless Solutions"]overset(H_(2)S)(rarr)["White Precipitate"]`

A

`Mg`

B

`Pb`

C

`Zn`

D

`Sn`

Text Solution

Verified by Experts

The correct Answer is:
C
`4Zn+10H^(+)+NO_(3)^(-)to4Zn^(2+)+NH_(4)^(+)+3H_(2)O`
`Zn^(2+)+2OH^(-)toZn(OH)_(2)darr("white"),Zn(OH)_(2)+2OH^(-)to[Zn(OH)_(4)]^(2-)`
`[ Zn(OH)_(4)]^(2-)+H_(2)StoZnSdarr("white")+2OH^(-)+2H_(2)O`
Promotional Banner

Similar Questions

Explore conceptually related problems

In the following reaction sequence Y is, PhOCOCH_(3) underset(Delta)overset(AlCl_(3))rarr (X) underset(NaOH)overset(I_(2))rarr (Y)

The 'Y' in the following sequence of reactions CH_3-underset(OH)underset(|)(CH)-CH_3overset(PBr_3)rarr(X)overset(aq. NaOH)rarr(Y) is

Identify 'M' in the following sequence of reactions underset((M))(C_(8)H_(6)Cl_(2)O)overset(NH_(3))rarrC_(8)H_(8)ClNO overset(Br_(2))underset(NaOH)rarr

In the following reaction sequence in aqueous solution, the species X,Y and Z, respectively S_(2)O_(3)^(2-)overset(Ag^(+))(rarr)underset("clear solution")(X)overset(Ag^(+))(rarr)underset("white precipitate")(Y)overset("withtime")(rarr)underset(" black precipitate")(Z)

In the reaction C_(6)H_(5)CH_(3) overset("oxidation")rarr A overset(NaOH)rarr B overset("Soda")underset("lime")rarr C Identify C

What is the major product (Z) of the reaction? PhCOOH underset(H_2SO_4)overset(HNO_3)(rarr) overset(Sn//HCl)(rarr)underset(HCl)overset(NaNO_2)(rarr)underset(Delta)overset(H_2O)(rarr)

Hoverset("dil NaOH")rarr[A]overset(H_(2)O^(+))underset(Delta)rarr[B]

The compound (A) in the following reaction sequence is: (A) overset(PCl_(5))(rarr) " (B) " overset("Alc KOH")(rarr) " ( C) " overset(H_(2)// Ni )(rarr) Propane :

H-C-=C-H underset(H_(2)SO_(4))overset(HgSO_(4))(rarr)overset("dil.NaOH")(rarr)overset(Delta)(rarr)P . The final product P is

Consider the following sequence of reaction and identify the final product (Z). CH_3-CH=CH_2overset(HBr)(rarr)(P)overset(aq.NaOH)(rarr)(Q)underset(K_2Cr_2O_7//H^+)overset("oxidation")(rarr)(R )