How much time is required for complete decoposition of two moles of wa

1.	How much time is required for complete decoposition of two moles of water using a current of 2 ampere ?(a) 1.93 x 105 sec(b) 2.93 x 105 sec(c) 0.93 x 105 sec(d) 4.93 x 105 sec
Answer» Correct Option (a) 1.93 x 10⁵ sec Explanation 2H₂O → 2H₂ + H₂ 1 mole of H₂O exchanges 2 moles of electrons, then 2 moles of H₂O will exchange 4 moles of electrons. = 4 × 96500 coulomb =4 x 96500/2sec = 1.93 x 10⁵ sec.

How much time is required for complete decoposition of two moles of water using a current of 2 ampere ?(a) 1.93 x 105 sec(b) 2.93 x 105 sec(c) 0.93 x 105 sec(d) 4.93 x 105 sec

Answer»

Correct Option (a) 1.93 x 10⁵ sec

Explanation

2H₂O → 2H₂ + H₂

1 mole of H₂O exchanges 2 moles of electrons, then 2 moles of H₂O will exchange 4 moles of electrons. = 4 × 96500 coulomb

=4 x 96500/2sec

= 1.93 x 10⁵ sec.

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How much time is required for complete decoposition of two moles of water using a current of 2 ampere ?(a) 1.93 x 105 sec(b) 2.93 x 105 sec(c) 0.93 x 105 sec(d) 4.93 x 105 sec

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