Aparna was given mg, zn, fe and cu metals . she put each them in dilute hcl contained in different test tubes. identify which of them. will not displace h2 from dilute hcl. forms a pale green substance. will be displaced from its salt solution by all other. metals . select the correct combination a. fe,cu,mg b, cu ,fe, cu. c, mg , fe, cu d,. fe, mg , cu
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Here is your answer my friend
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Correct Combination for this question
Explanation:
- From Mg, Zn. Fe and Cu all metal, Copper can not displace from dil. Hydrogen chloride (HCl) because in the series of reactivity Copper is present below the Hydrogen so reactivity of hydrogen is less than copper.
- From all the metal, Fe when react with dil HCl, can displace from dil HCl and forms a pale green substance.
- From all the metal Mg, Fe, Zn are placed above in the series of reactivity with Cu so Cu will be the only metal that is displaced by all other metals from its salt solution.
- B is correct option
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