Day 444: JEE Mains Chemistry

1. A.
   Statement I is true but Statement II is false
2. B.
   Both Statement I and Statement II are false
3. C.
   Both Statement I and Statement II are true
4. D.
   Statement I is false but Statement II is true

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1. A.
   Palladium
2. B.
   Iridium
3. C.
   Osmium
4. D.
   Platinum

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1. A.
   $\left\lbrack Cu\left( H_{2}O \right)_{6} \right\rbrack{SO}_{4}$
2. B.
   $\left\lbrack Cu(en)\left( H_{2}O \right)_{4} \right\rbrack{SO}_{4}$
3. C.
   cis- $\left\lbrack Cu(en)_{2}{Cl}_{2} \right\rbrack$
4. D.
   trans- $\left\lbrack Cu(en)_{2}{Cl}_{2} \right\rbrack$

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1. A.
   Applying an external opposite potential greater than $E_{\text{cell~}}^{0}$
2. B.
   Reversing the flow of ions in salt bridge.
3. C.
   Applying an external opposite potential lower than $E_{\text{cell~}}^{0}$.
4. D.
   Exchanging the electrodes at anode and cathode.

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1. A.
   Both Statement I and Statement II are correct
2. B.
   Statement I is correct but Statement II is incorrect
3. C.
   Both Statement I and Statement II are incorrect
4. D.
   Statement I is incorrect but Statement II is correct

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