Question
Explain the various methods of determining the order of a reaction.
✓
Answer
self
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
i. How will you convert:
a. Nitrobenzene to phenol,
b. Aniline to chlorobenzene
a. Nitrobenzene to phenol,
b. Aniline to chlorobenzene
(a) Write the principle of manufacture of sulphuric acid by contact process.###(b) Write the reaction of concentrated sulphuric acid with oxalic acid.
- How do you prepare:
- K2MnO4 from MnO2?
- Na2Cr2O7 form Na2CrO4?
- Account for the following:
- Mn2+ is more stable than Fe2+ towards oxidation to +3 state.
- The enthalpy of atomization is lowest for Zn in 3d series of the transition elements.
- Actinoid elements show wide range of oxidation states.
What is packing efficiency? Determine the packing efficiency of hcp and ccp structure.
What is crystal field theory? On the basis of this, explain the crystal field splitting in octahedral coordinaton compounds.
Why is the mass determined by measuring a colligative property in case of some solutes abnormal? Discuss it with the help of Van’t Hoff factor.
Match the coordination compounds given in Column I with the central metal atoms given in Column II and assign the correct code:
Code:
| | Column I (Coordination Compound) | | Column II (Central metal atom) |
| a. | Chlorophyll | 1. | Rhodium |
| b. | Blood pigment | 2. | Cobalt |
| c. | Wilkinson catalyst | 3. | Calcium |
| d. | Vitamin B12 | 4. | Iron |
| | | 5. | Magnesium |
- A (5), B (4), C (1), D (2).
- A (3), B (4), C (5), D (1).
- A (4), B (3), C (2), D (1).
- A (3), B (4), C (1), D (2).
(i) Define molecularity of a reaction.
(ii) Explain the effect of presence of catalyst on the rate of reaction.
(iii) In a first order reaction at 300 K , the initial concentration of the reactant was $1.0 \times 10^{-2} mol L ^{-1}$, which decreased to $0.5 \times 10^{-2} molL ^{-1}$ after 30 minutes at 300 K . Calculate the rate constant of the reactant at 300 K. $[\log 2=0.3010] \quad$
→(ii) Explain the effect of presence of catalyst on the rate of reaction.
(iii) In a first order reaction at 300 K , the initial concentration of the reactant was $1.0 \times 10^{-2} mol L ^{-1}$, which decreased to $0.5 \times 10^{-2} molL ^{-1}$ after 30 minutes at 300 K . Calculate the rate constant of the reactant at 300 K. $[\log 2=0.3010] \quad$
Match the complex ions given in Column I with the hybridisation and number of unpaired electrons given in Column II and assign the correct code:
Code:
| | Column I (Complex ion) | | Column II (Hybridisation, number of unpaired electrons) |
| a. | [Cr(H2O)6]3+ | 1. | dsp2, 1 |
| b. | [Co(CN)4]2- | 2. | sp3d2, 5 |
| c. | [Ni(NH3)6]2+ | 3. | d2sp3, 3 |
| d. | [MnF6]4- | 4. | sp3, 4 |
| | | 5. | sp3d2, 2 |
- A (3), B (1), C (5), D (2).
- A (4), B (3), C (2), D (1).
- A (3), B (2), C (4), D (1).
- A (4), B (1), C (2), D (3).
Match the items given in Column I with the type of solutions given in Column II.
| Column I | | Column II | |
| i. | Soda water | a. | A solution of gas in solid. |
| ii. | Sugar solution | b. | A solution of gas in gas. |
| iii. | German silver | c. | A solution of solid in liquid. |
| iv. | Air | d. | A solution of solid in solid. |
| v. | Hydrogen gas in palladium | e. | A solution of gas in liquid. |
| | | f. | A solution of liquid in solid. |