| 1. | Hofmann Rule | 2. | Huckel's Rule |
| 3. | Saytzeff's Rule | 4. | Hund's Rule |
The correct example of metal displacement reaction among the following is:
| 1. | \(\mathrm{Fe}+2 \mathrm{HCl} \rightarrow \mathrm{FeCl}_2+\mathrm{H}_2 \uparrow \) |
| 2. | \(2 \mathrm{~Pb}\left(\mathrm{NO}_3\right)_2 \rightarrow 2 \mathrm{PbO}+4 \mathrm{NO}_2+\mathrm{O}_2 \uparrow \) |
| 3. | \( 2\text {KClO}_3 \xrightarrow {\Delta}2 \text {KCl} + 3 \text O_2 \) |
| 4. | \(\mathrm{Cr}_2 \mathrm{O}_3+2 \mathrm{Al} \xrightarrow {\Delta} \mathrm{Al}_2 \mathrm{O}_3+2 \mathrm{Cr}\) |
Which of the following options correctly represents the relationship between \(C_p \text { and } C_V\) for one mole of an ideal gas?
| 1. | \(C_P=R C_V \) | 2. | \(C_V=RC_P \) |
| 3. | \(C_P+C_V=R \) | 4. | \(C_{{P}}-{C}_{{V}}={R}\) |
| 1. | Vitamin B1 | 2. | Vitamin B2 |
| 3. | Vitamin B12 | 4. | Vitamin B6 |
Which one of the following polymers are prepared by addition polymerization?
1. Novolac
2. Dacron
3. Teflon
4. Nylon-66
An organic compound contains 80 % (by wt.) carbon and the remaining percentage of hydrogen. The empirical formula of this compound is:
[Atomic wt. of C is 12, H is 1]
1. CH3
2. CH4
3. CH
4. CH2
Match List-I with List-II
| List-I | List-II | ||
| (a) | (i) | Square pyramidal | |
| (b) | (ii) | Trigonal planar | |
| (c) | (iii) | Octahedral | |
| (d) | (iv) | Trigonal bipyramidal |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (iv) | (iii) | (i) | (ii) |
| 4. | (ii) | (iii) | (iv) | (i) |
Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?
1. Distillation
2. Zone refining
3. Electrolysis
4. Chromatography
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