0.3780 grams of an organic chloro compound gave 0.5740 grams of silver chloride in Carius estimation. % of chlorine present in the compound is -

1.	25%	2.	37.59%
3.	42%	4.	05.70 %

In the Carius method, 0.468 grams of an organic sulphur compound gives 0.668 grams of barium sulphate. The percentage of sulphur in the given compound is:

The most stable carbocation among the following is-
1. \(({CH_3})_3C\overset{+}{C}H_2\)
2. \(({CH_3})_3\overset{+}{C}\)
3. \({CH_3}CH_2\overset{+}{C}H_2\)
4. \(({CH_3})\overset{+}{C}HCH_2CH_3\)

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

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