Day 437: MHT-CET Chemistry

1. A.
   $\text{R-COCl} \xrightarrow{\text{H}_2,\ \text{Pd-BaSO}_4} \text{R-CHO} + \text{HCl}$
2. B.
   $\text{R-CN} \xrightarrow[\text{H}_3\text{O}^+]{\text{SnCl}_2,\ \text{HCl}} \text{R-CHO} + \text{NH}_4\text{Cl}$
3. C.
   $\text{R-CHO} \xrightarrow[\Delta]{\text{Zn-Hg},\ \text{conc. HCl}} \text{R-CH}_3 + \text{H}_2\text{O}$
4. D.
   $\text{R-CO-R} \xrightarrow[\text{(ii) KOH},\ \Delta,\ \text{HO-(CH}_2)_2\text{-OH}]{\text{(i) H}_2\text{N-NH}_2} \text{R-CH}_2\text{-R}$

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1. A.
   dextrorotatory
2. B.
   configuration
3. C.
   diamagnetic nature
4. D.
   mode of synthesis

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

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1. A.
   Every collision between reactants leads to chemical reaction
2. B.
   It may be expected that rate of reaction is equal to rate of collision
3. C.
   For gas phase reactions, the number of collisions is far less compared to observed rate
4. D.
   The colliding molecules do not need proper orientation

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1. A.
   $\Delta G^\circ$ is an extensive property.
2. B.
   $E^\circ$ cell is an intensive property.
3. C.
   For a chemical reaction to be spontaneous $\Delta G$ must be $-$ve.
4. D.
   Electrical work is equal to $\Delta G$

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