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प्रश्न
More ______ the standard reduction potential of a substance, the ______ is its ability to displace hydrogen from acids.
रिकाम्या जागा भरा
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उत्तर
More negative the standard reduction potential of a substance, the greater is its ability to displace hydrogen from acids.
Explanation:
A more negative standard reduction potential means the substance is more easily oxidised, i.e., it loses electrons more readily. Such substances can donate electrons to H+ ions (from acids), reducing them to H2 gas, displacing hydrogen.
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