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General Principles and processes of Isolation of Elements
easy
In the leaching of $Ag_2S$ with $NaCN$, a stream of air is also passed it is because of
A
Reversible nature of reaction between $Ag_2S$ and $NaCN$
B
To oxidise formed $Na_2S$ into $Na_2SO_4$ and sulphur
C
To make $Ag_2S$ insoluble
D
Both $(A)$ and $(B)$
Solution
In the leaching of $Ag_2S$ with $NaCN$, a stream of airis also passed because of
$(i)$ Reversible nature of between $Ag_2S$ and $NaCN$
$(ii)$ To oxidise $Na_2S$ formied into $Na_2SO_4$ and sulphure
Standard 12
Chemistry
Similar Questions
Match List$-I$ with List$-II$
| List$-I$(process) | List$-II$ (catalyst) |
| $(a)$ Deacron's process | $(i)$ $ZSM-5$ |
| $(b)$ Contact process | $(ii)$ $CuCl _{2}$ |
| $(c)$ Cracking of hydrocarbons | $(iii)$ Particles $Ni ^{\prime}$ |
| $(d)$ Hydrogenation of vegetable oils | $(iv)$ $V _{2} O _{5}$ |
Choose the most appropriate answer from the options given below
