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एक सैल में निम्न अभिक्रिया होती है -
`Zn(s)+2H^(+)(aq)toZn^(2+)(aq)+H_(2)(s)`
इस सैल के कैथोड वाले भाग में `H_(2)SO_(4)` मिलाने पर -
A. E कम हो जाएगा तथा साम्य बायीं ओर विस्थापित हो जाएया ।
B. E कम हो जाएगा तथा साम्य दायीं ओर विस्थापित हो जाएया ।
C. E बढ़ जाएगा तथा साम्य दायीं ओर विस्थापित हो जाएया ।
D. E बढ़ जाएगा तथा साम्य बायीं ओर विस्थापित हो जाएया ।

1 Answer

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Best answer
Correct Answer - C
`Zn(s)+2H^(+)(aq)to Zn^(2+)(aq)+H_(2)(g)`
संगत सैल है
`Zn(s)|Zn^(2+)(aq)||2H^(+)(aq)|H_(2)(g)`
सैल का वि०वा०ब०,
`E_("सैल")=E_("सैल")-(0.059)/(n)log_(10).([Zn^(2+)][P_(H_2)])/([H^(+)]^2)`
`H_(2)SO_(4)` मिलाने पर `[H^+]` बढ़ जायेगी जिसके कारण `E_("सैल")` का मान बढ़ जायेगा तथा ला- शातेलिए के नियमानुसार साम्य दायीं और विस्थापित हो जायेगा ।

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