Which of the following reactions exhibits good atom economy according to the principles of green chemistry?
- A$C_4H_9OH + NaBr + H_2SO_4 \longrightarrow C_4H_9Br + NaHSO_4 + H_2O$
- B$C_2H_4 + H_2 \xrightarrow{Ni} C_2H_6$
- C$C_2H_5OH + C_2H_5COOH \longrightarrow C_2H_5COOC_2H_5 + H_2O$
- D$C_4H_9OH + SOCl_2 \xrightarrow{\Delta} C_4H_9Cl + HCl + SO_2$
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Similar Questions
The molarity of $1 \ L$ orthophosphoric acid $(H_3PO_4)$ having $70 \%$ purity by weight (specific gravity $1.54 \ g \ cm^{-3}$) is $ . . . . . . $ $M$.
(Molar mass of $H_3PO_4 = 98 \ g \ mol^{-1}$)
(Molar mass of $H_3PO_4 = 98 \ g \ mol^{-1}$)
$50 \ mL$ of $0.5 \ M$ oxalic acid is needed to neutralize $25 \ mL$ of sodium hydroxide solution. The amount in grams of $NaOH$ in $50 \ mL$ of the given sodium hydroxide solution is:
DifficultJEE MAIN 2019
View Solution$A$ $20 \ mL$ solution of $KMnO_4$ with a concentration of $1 \ N$ reacts with $20 \ mL$ of oxalic acid. The weight of oxalic acid in the $1 \ N$ solution is ......... $g$.
Difficult
View SolutionThe weight of pure $NaOH$ required to prepare $250 \ cm^3$ of $0.1 \ N$ solution is ......... $g$. (in $g$)
Easy
View SolutionMatch the following List-$I$ and List-$II$ at $STP$:
List-$I$ List-$II$ $A. 10 \ g \ CaCO_3 \xrightarrow{\Delta} \text{decomposition}$ $1. 0.224 \ L \ CO_2$ $B. 1.06 \ g \ Na_2CO_3 \xrightarrow{\text{Excess } HCl} \text{reaction}$ $2. 4.48 \ L \ CO_2$ $C. 2.4 \ g \ C \xrightarrow{\text{Excess } O_2} \text{combustion}$ $3. 0.448 \ L \ CO_2$ $D. 0.56 \ g \ CO \xrightarrow{\text{Excess } O_2} \text{combustion}$ $4. 2.24 \ L \ CO_2$ $5. 22.4 \ L \ CO_2$
| List-$I$ | List-$II$ |
| $A. 10 \ g \ CaCO_3 \xrightarrow{\Delta} \text{decomposition}$ | $1. 0.224 \ L \ CO_2$ |
| $B. 1.06 \ g \ Na_2CO_3 \xrightarrow{\text{Excess } HCl} \text{reaction}$ | $2. 4.48 \ L \ CO_2$ |
| $C. 2.4 \ g \ C \xrightarrow{\text{Excess } O_2} \text{combustion}$ | $3. 0.448 \ L \ CO_2$ |
| $D. 0.56 \ g \ CO \xrightarrow{\text{Excess } O_2} \text{combustion}$ | $4. 2.24 \ L \ CO_2$ |
| $5. 22.4 \ L \ CO_2$ |
Medium
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