Home
Class 8
CHEMISTRY
Different steps involved ind the mechani...

Different steps involved ind the mechanism of preparation of sodium hydoxide by Castner process are given bleow .Arrange them in correct sequence .
(i)`2Cl^(-)rarr Cl_2+2e^(-)`
( b) `Na_a Hg-2e^(-)rarr2Na^++Hg`
( c) `2H_2O+2e^(-) rarr H_2+2OH`
(d ) `Hg+2Na^+2bare rarr Na_2HG`
( e)`2NaClrarr2Na^+2Cl`
( f) `2Na^(+)+2OH^(-)rarr2NaOH`

A

5 4 3 2 1 6

B

5 2 3 1 4 6

C

4 2 1 5 3 6

D

5 1 4 2 3 6

Text Solution

Verified by Experts

(i) `2NaCl to 2Na^(+) +2Cl^(-)`
(ii) `2Cl to Cl_(2) +2e^(-)`
(iii)` Hg +2Na^(+) +2e to Na_(2)Hg`
(iv) `Na_(2)Hg -2e^(-) to 2Na^(+) +Hg`
(v) `2H_(2)O +2e^(-) to H_(2) +2OH^(-)`
(vi) `2Na^(+) +2OH^(-) to 2NaOH`
Promotional Banner

Similar Questions

Explore conceptually related problems

In the reaction : Cl_2+2OH^(-) rarr OCl^(-) +Cl^(-) +H_2O

The reaction C_2H_5Cl+OH^(-) rarr C_2H_5OH+Cl^(-) is

What specific name can be given to the following sequence of steps: Hg+hv rarr Hg^(**) Hg^(**) + H_(2) rarr H_(2)^(**)+Hg

In the reaction , 2Na+ Cl_(2) rarr 2NaCl , "_______________" .

Give the n factors for the following changes - (i) Na_(2) CO_(3) rarr NaHCO_(3) (ii) Al_(2) (SO_(4))_(3) rarr Al(OH)_(3) (ii) Na_(2) S_(2) O_(3) rarr S_(4) O_(6)^(-2)

which one of the following reaction is not associated with the solvay process of manufacture of Na_(2)CO_(3) ? (A) NaCl+NH_(4)HCO_(3) rarr NaHCO_(3) + NH_(4)Cl (B) 2NaOH + CO_(2) rarr Na_(2)CO_(3) + H_(2)O (C) 2NaHCO_(3) rarr Na_(2)CO_(3) + H_(2)O + CO_(2) (D) NH_(3) + H_(2)CO_(3) rarr NH_(4)HCO_(3)

HgS darr+Na_(2)S hArrNa_(2)[HgS_(2)]