MCQ
The unit of rate constant for a zero order reaction is
- Alitre ${\sec ^{ - 1}}$
- Blitre $mol{e^{ - 1}}\,{\sec ^{ - 1}}$
- ✓mole $litr{e^{ - 1}}{\sec ^{ - 1}}$
- Dmole ${\sec ^{ - 1}}$
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Identify $B$ in the reaction
| Column $I$ (Mixture of compounds) | Column $II$ (Separation Technique) |
| $A$ $H _2 O / CH _2 Cl _2$ | $I$ Crystallization |
| $B$ $Image$ | $II$ Differential solvent extraction |
| $C$ Kerosene/Naphthalene | $III$ Column chromatography |
| $D$ $C _6 H _{12} O _6 / NaCl$ | $IV$ Fractional Distillation |
Correct match is : 
$(i)\, {CCl_3}^-$ $(ii)\,CCl_2$ $(iii)\, (SiH_3)_2O$ $(iv)\, N(SiH_3)_3$