Day 159: JEE Mains Chemistry

1. A.
   ${CH}_{3} - {CH}_{2}^{-} > {CH}_{2} = {CH}^{-} > CH \equiv C^{-}$
2. B.
   ${CH}_{2} = {CH}^{-} > CH \equiv C^{-} > {CH}_{3} - {CH}_{2}^{-}$
3. C.
   $CH \equiv C^{-} > {CH}_{2} = {CH}^{-} > {CH}_{3} - {CH}_{2}^{-}$
4. D.
   $CH \equiv C^{-} > {CH}_{3} - {CH}_{2}^{-} > {CH}_{2} = {CH}^{-}$

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1. A.
   0.9
2. B.
   0.1
3. C.
   0.337
4. D.
   0.663

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1. A.
   (A), (B) and (C) only
2. B.
   (A), (C) and (D) only
3. C.
   (A) and (C) only
4. D.
   (B) and (D) only

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

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1. A.
   $\left\lbrack Co\left( {NH}_{3} \right)_{4} \right\rbrack^{2 +} < \left\lbrack Co\left( {NH}_{3} \right)_{6} \right\rbrack^{2 +} < \left\lbrack Co(en)_{3} \right\rbrack^{3 +} < \left\lbrack Co\left( {NH}_{3} \right)_{6} \right\rbrack^{3 +}$
2. B.
   $\left\lbrack Co\left( {NH}_{3} \right)_{4} \right\rbrack^{2 +} < \left\lbrack Co\left( {NH}_{3} \right)_{6} \right\rbrack^{2 +} < \left\lbrack Co\left( {NH}_{3} \right)_{6} \right\rbrack^{3 +} < \left\lbrack Co(en)_{3} \right\rbrack^{3 +}$
3. C.
   $\left\lbrack Co\left( {NH}_{3} \right)_{6} \right\rbrack^{2 +} < \left\lbrack Co\left( {NH}_{3} \right)_{6} \right\rbrack^{3 +} < \left\lbrack Co\left( {NH}_{3} \right)_{4} \right\rbrack^{2 +} < \left\lbrack Co(en)_{3} \right\rbrack^{3 +}$
4. D.
   $\left\lbrack Co(en)_{3} \right\rbrack^{3 +} < \left\lbrack Co\left( {NH}_{3} \right)_{6} \right\rbrack^{3 +} < \left\lbrack Co\left( {NH}_{3} \right)_{6} \right\rbrack^{2 +} < \left\lbrack Co\left( {NH}_{3} \right)_{4} \right\rbrack^{2 +}$

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