A molecule of ethene $\left( C _2 H _4\right)$ has...
- Aonly single bonds.
- Bonly double bonds.
- Conly triple bonds.
- ✓single and double bond.
Answer: D.
View full solution →271 questions across 8 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
M.C.Q
38 Q→02Fill in the blank
26 Q→03True-False
14 Q→04[1 Mark Questions]
89 Q→05[2 Mark Questions]
31 Q→06[3 Mark Questions]
36 Q→07[4 marks Questions]
31 Q→08MATCH THE FOLLOWING.
6 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Answer: D.
View full solution →Answer: C.
View full solution →Answer: B.
View full solution →Answer: D.
View full solution →Answer: C.
View full solution →| Column I (Reaction) | Column II (Type of reaction) |
| Q.1. $CH _3 OH + CH _3 COOH \xrightarrow{ H ^{+}} CH _3 COOCH _3+ H _2 O$ | P. Addition reaction |
| Q.2. $H _2 C = CH _2+ H _2 \xrightarrow{ Ni } CH _3- CH _3$ | Q. Substitution reaction |
| R. Esterification reaction |
| Column I (Reaction) | Column II (Type of reaction) |
| Q.1. $CH _4+ Cl _2 \xrightarrow{\text { Sunlight }} CH _3 Cl + HCl$ | P. Neutralisation reaction |
| Q.2. $CH _3 COOH + NaOH \longrightarrow CH _3 COONa + H _2 O$ | Q. Substitution reaction |
| R. Esterification reaction |
| Column I (Molecule) | Column II (Number of bonds) |
| Q.1. Molecule of hydrogen | P. Double bond and single bond |
| Q.2. Molecule of nitrogen | Q. Only single bond |
| R. Triple bond |
| Column I (Molecule) | Column II (Number of bonds) |
| Q.1. Molecule of oxygen | P. Double bond and single bond |
| Q.2. Benzene | Q. Only double bond |
| R. Triple bond |
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