Day 436: JEE Mains Chemistry

1. A.
   +2 and +3
2. B.
   +4 and +3
3. C.
   +4 and +1
4. D.
   +1 and +4

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1. A.
   A-III, B-I, C-II, D-IV
2. B.
   A-IV, B-I, C-III, D-II
3. C.
   A-III, B-II, C-I, D-IV
4. D.
   A-II, B-III, C-IV, D-I

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1. A.
   $\Lambda_{m}^{2}C - K_{a}\Lambda_{m}^{\circ 2} + K_{a}\Lambda_{m}\Lambda_{m}^{\circ} = 0$
2. B.
   $\Lambda_{m} - \Lambda_{m}^{\circ} + {AC}^{\frac{1}{2}} = 0$
3. C.
   $\Lambda_{m} - \Lambda_{m}^{\circ} - {AC}^{\frac{1}{2}} = 0$
4. D.
   $\Lambda_{m}^{2}C + K_{a}\Lambda_{m}^{\circ 2} - K_{a}\Lambda_{m}\Lambda_{m}^{\circ} = 0$

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1. A.
   $K_{C} = \frac{\left\lbrack {FeSCN}^{2 +} \right\rbrack}{\left\lbrack {Fe}^{3 +} \right\rbrack\left\lbrack {SCN}^{-} \right\rbrack}$
2. B.
   $K_{C} = \frac{\left\lbrack {Fe}^{3 +} \right\rbrack\left\lbrack {SCN}^{-} \right\rbrack}{\left\lbrack {FeSCN}^{2 +} \right\rbrack}$
3. C.
   $K_{C} = \frac{\left\lbrack {FeSCN}^{2 +} \right\rbrack}{\left\lbrack {Fe}^{3 +} \right\rbrack^{2}\left\lbrack {SCN}^{-} \right\rbrack^{2}}$
4. D.
   $K_{C} = \frac{\left\lbrack {FeSCN}^{2 +} \right\rbrack^{2}}{\left\lbrack {Fe}^{3 +} \right\rbrack\left\lbrack {SCN}^{-} \right\rbrack}$

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