${\mathrm{Why\; is\; O₂NCH₂CH₂O⁻\; more\; stable\; than\; CH₃CH₂O⁻?}}_{}$

1.	NO2 shows +I effect
2.	NO2 shows -I effect
3.	NO2 decreases the positive charge on the compound
4.	The ethyl group increases the positive charge on the compound

Alkyl groups act as electron donors when attached to a π system due to:

An electrophile among the following is :

Geometrical isomerism can be shown by:

1.
2.
3.
4.

Free radical formation will take place in :

1.
2.
3.
4.

The effect that can explain the given order of acidity of the carboxylic acids is:

Cl₃CCOOH > Cl₂CHCOOH > ClCH₂COOH

1. +I effect

2. -I effect

3. +E effect

4. -E effect

The purification method based on the difference in solubilities of the compound and the impurities in a solvent is:
1. Crystallisation
2. Distillation
3. Chromatography
4. Isolation

Functional isomer is not possible for:
1. Alcohols
2. Aldehydes
3. Alkyl halides
4. Cyanides

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