- 1(current)
Q. No.Which of the following statements is true regarding the reaction given below?
\(2 \mathrm{Al}_{(\mathrm{s})}+6 \mathrm{HCl}_{(\mathrm{aq})} \rightarrow 2 \mathrm{Al}^{3+}{ }_{(\mathrm{aq})}+6 \mathrm{Cl}^{-}(\mathrm{aq})+3 \mathrm{H}_2(\mathrm{~g})\)
| 1. | 6L HCl(aq) is consumed for every 3L H2(g) produced |
| 2. | 33.6 L H2(g) is produced regardless of temperature and pressure for every mole Al that reacts |
| 3. | 67.2 L H2(g) at STP is produced for every mole Al that reacts |
| 4. | 11.2 L H2(g) at STP is produced for every mole HCl(aq) consumed |
Subtopic: Limiting Reagent |
From NCERT
JEE
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250 mL of \(0.5~\text{M NaOH}\) was added to 500 mL of 1 M HCl. The number of unreacted HCl molecules in the solution after complete reaction is
\(x\times10^{21}.\) Find the value of x (Nearest integer).
\(\left(\mathrm{N}_{\mathrm{A}}=6.022 \times 10^{23}\right)\)
1. 256
2. 465
3. 226
4. 145
\(x\times10^{21}.\) Find the value of x (Nearest integer).
\(\left(\mathrm{N}_{\mathrm{A}}=6.022 \times 10^{23}\right)\)
1. 256
2. 465
3. 226
4. 145
Subtopic: Limiting Reagent |
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.
When \(35 ~mL\) of \(0.15~ M\) lead nitrate solution is mixed with \(20 ~mL\) of \(0.12 ~M\) chromic sulphate solution,\(x× 10^{–5}\) moles of lead
sulphate precipitates out. Calculate the value of \(x\).
(Round off to the Nearest Integer).
1. 525
2. 124
3. 734
4. 223
sulphate precipitates out. Calculate the value of \(x\).
(Round off to the Nearest Integer).
1. 525
2. 124
3. 734
4. 223
Subtopic: Limiting Reagent |
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.
- 1(current)
Q. No.
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