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प्रश्न
Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is more reactive metal.
Identify A and B and give their reactions with dil HCL and dil H2SO4 ?
उत्तर
Metal A is more reactive than Metal B.
Metal A is Na (Sodium). Metal B is Ca (Calcium).
Reaction with HCl:
`2Na + 2HCl → 2NaCl + H_2`
`Ca +2HCl → CaCl_2 + H_2`
Reaction with `H_2SO_4` :
`2Na + H_2SO_4 → Na_2SO_4 + H_2`
`Ca + H_2SO_4 → CaSO_4 + H_2`
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