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.^(65)Cu will turn into .^(66)Cu if it i...

`.^(65)Cu` will turn into `.^(66)Cu` if it is bombarded will

A

Protons

B

Neutrons

C

Electrons

D

Alpha particles

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The correct Answer is:
B
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The atomic weight of Cu is 63.546 . There are only two naturally occurring isotopes of copper .^(63)Cu and .^(65)Cu . The natural abundance of the .^(63)Cu isotope must be approximately.

Starting with a sample of pure .^(66)Cu, 7//8 of it decays into Zn in 15 minute. The corresponding half-life is:

Starting with a sample of pure .^66 Cu, 7//8 of it decays into Zn in 15 min . The corresponding half-life is.

For the given cell, Mg | Mg^(2+) || Cu^(2+) | Cu 1) Mg is cathode 2) Cu is cathode 3) The cell reaction is Mg + Cu^(2+) to Mg^(2+) + Cu 4) Cu is the oxidising agent.

Cu^(2+)(aq.) is unstable in solution and under goes simultaneous oxidation and reduction according to the reaction 2Cu^(+)(aq.)hArr Cu^(2+)(aq.)+Cu(s) Choose the correct E^(@) for the above reaction if E_(Cu^(2+))^(@)//Cu = 0.34 V and E_(Cu^(2+))^(@)//Cu^(+) = 0.15 V

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