Match the catalyst with the process:
| Catalyst | Process | ||
| (i) | \(V_2O_5\) | (a) | The oxidation of ethylene to ethanal |
| (ii) | \(TiCl_4 + Al(CH_3)_3\) | (b) | Polymerisation of alkynes |
| (iii) | \(PdCl_2\) | (c) | Oxidation of \(SO_2\) in the manufacture of \(H_2SO_4\) |
| (iv) | Nickel complexes | (d) | Polymerisation of ethylene |
Which of the following is the correct matching of Catalyst & Process?
| Options: | (i) | (ii) | (iii) | (iv) |
| 1. | c | d | a | b |
| 2. | a | b | c | d |
| 3. | a | c | b | d |
| 4. | c | a | d | b |
1. (i)-(c), (ii)-(d), (iii)-(a), (iv)-(b)
2. (i)-(a), (ii)-(b), (iii)-(c), (iv)-(d)
3. (i)-(a), (ii)-(n), (iii)-(b), (iv)-(d)
4. (i)-(c), (ii)-(a), (iii)-(d), (iv)-(b)
The most stable carbocation among the following is:
| 1. | 2. | ||
| 3. | 4. |
The alkane that gives only one monochloro product on chlorination with \(\text{Cl}_2\) in presence of diffused sunlight is:
| 1. | 2,2,-Dimethylbutane | 2. | Neopentane |
| 3. | n-Pentane | 4. | Isopentane |
In the following reaction,
\(\mathrm{ CH_{3}C\equiv CH\xrightarrow[Red \ hot \ iron \ tube]{873 K} \ A}\)
The number of () bonds present in the product (A) is:
| 1. | 21 | 2. | 9 |
| 3. | 24 | 4. | 18 |
Aluminium chloride in acidified aqueous solution forms a complex 'A'.
The formula of A and hybridisation state of Al in 'A' is respectively:
1. [Al(H2O)6]3+, sp3d2
2. [Al(H2O)4]3+, sp3
3. [Al(H2O)4]3+, dsp2
4. [Al(H2O)]3+, d2sp3
The compound among the following that used in cosmetic surgery is:
1. Silica
2. Silicates
3. Silicones
4. Zeolites
Identify the incorrect statement:
| 1. | The scientific and technological process used for isolation of the metal from its ore is known as metallurgy |
| 2. | Minerals are naturally occurring chemical substances in the earth's crust |
| 3. | Ores are minerals that may contain a metal |
| 4. | Gangue is an ore contaminated with undesired materials |
A compound "X", upon reaction with H2O, produces a colourless gas "Y" with a rotten fish smell. Gas 'Y' is absorbed in a solution of CuSO4 to give Cu3P2 as one of the products. The compound 'X' will be:
1. Ca3P2
2.
3.
4. Ca3(PO4)2
Which of the following oxoacids of phosphorus shows the strongest reducing property?
1. H4P2O7| 1. | H2S2O7 | 2. | H2SO3 |
| 3. | H2SO4 | 4. | H2S2O8 |