CF2 = CF2 is a monomer of:
1. Teflon
2. Orlon
3. Polythene
4. Nylon-6
The correct order of stability is:
| 1. | 1–butene > Trans–2–butene > Cis–2–butene |
| 2. | Trans–2–butene > 1–butene > Cis–2–butene |
| 3. | Trans–2–butene > Cis–2-butene > 1–butene |
| 4. | Cis-2–butene > Trans–2–butene > 1–butene |
IUPAC name of is:
1. 2-Chloro-3-iodo-2-pentene
2. 2-Chloro-3-iodo-3-pentene
3. 2-Iodo-3-chloro-pentene
4. None of the above
2-Butene shows geometrical isomerism due to:
1. Restricted rotation about double bond
2. Free rotation about double bond
3. Free rotation about single bond
4. Chiral carbon
Dihedral angle in staggered form of ethane is:
1.
2.
3.
4.
The compound that does not give an iodoform test is:
1. 3-Pentanone
2. 2-Pentanone
3. Ethanol
4. Ethanal
Average molar kinetic energy of CO and N2 at same temperature is:
1. KE1 = KE2
2. KE1 > KE2
3. KE1 < KE2
4. Can't say anything. Both volumes are not given.
If the energy value is E = 3.03 × 10–19 Joules, (h = 6.6×10–34 J x sec., C = 3×108 m/sec), then the value of the corresponding wavelength is:
| 1. | 65.3 nm | 2. | 6.53 nm |
| 3. | 3.4 nm | 4. | 653 nm |
Which of the following is not the characteristic of arenes?
1. More stability
2. Resonance
3. Delocalization of π electrons
4. Electrophilic addition
Which of the following is most reactive towards electrophilic substitution reaction?
| 1. | 2. | ||
| 3. | 4. |