Isomerism

Q.

Which of the following is not correct for isomers?

1. Same molecular formula

2. Different molecular weight

3. Different Properties

4. None of these.

Q. Isomers have essentially identical ___

1. Structural formula
2. Chemical properties
3. Molecular formula
4. Physical properties

Q. Compounds with same molecular formula but different structural formula are

1. Isotopes
2. Isobars
3. Isomers
4. Isoelectronic

Q. Total number of structural isomers (aldehyde and ketones) of $C_5{H}_{10}O$ are:

Q. How many benzenoid isomers does $C_7{H}_{7}Cl$ have?

1. 3
2. 5
3. 6
4. 4

Q. The number of possible cyclic isomers (excluding optical isomers) of $C_3{H}_{4}C{l}_2$ is:

1. 2
2. 3
3. 5
4. 4

Q. An isomer of anisole is:

1. Toluene
2. Aniline
3. Benzaldehye
4. Cresol

Q. The compound having molecular formula $C_4{H}_{10}O$ can show :

1. Functional isomerism
2. Positional isomerism
3. Metamerism
4. All

Q. Isomers have essentially identical

1. Structural formula
2. Chemical properties
3. Molecular formula
4. Physical properties

Q. What is the correct order to follow for isomerism if the isomerism is exhibited by two different molecules? (F stands for functional , P stands for position, C stands for chain, M stands for metamerism)

1. PCMF
2. FPCM
3. MCPF
4. FMCP