TS EAPCET (DEMO) ORGANIC CHEMISTRY – SOME BASIC PRINCIPLES AND TECHNIQUES PAPER

The pKa values of the acids A to D are found to be $$4.19,3.41,4.46$$ and 4.76 . the acid having pKa of 3.41 is

Which of the following phenols is most soluble in aqueous sodium bicarbonate?

The order of acidities of the H -atoms underlined in the following compounds is in the order

i)$$\mathrm{Ph}-\underline{\mathrm{CH}_{2}}-\mathrm{CH}_{3}$$

ii)$$\mathrm{Ph}-\mathrm{C} \equiv \underline{\mathrm{CH}}$$

iii)$$\mathrm{Ph}-\mathrm{HC}=\underline{\mathrm{CH}_{2}}$$

iv)

The correct decreasing order for acid strength is?

Which amongst the following is the strongest acid?

The increasing order of the pKa values of the following compounds is?

The correct order for acid strength of compounds $$\mathrm{CH} \equiv \mathrm{CH}, \mathrm{CH}_{3}-\mathrm{C} \equiv \mathrm{CH}$$ and $$\mathrm{CH}_{2}=\mathrm{CH}_{2}$$ is as follows

The alcohol which is having the highest Ka value

Indicate the correct acidity (first ionization) in the following carboxylic acid

the most acidic species among the following is

Which of the following statements is true with respect to the following pair of compounds?

Oxygen atom of the carbonyl group is most basic in

The relative basic strengths of $$\mathrm{NH}_{3}, \mathrm{CH}_{3} \mathrm{NH}_{2}$$, and $$\mathrm{NF}_{3}$$ are in the order

The order of acidity of the given series of the compounds is?

i) HCOOH

ii) $$\mathrm{CH}_{3} \mathrm{COOH}$$

iii) PhCOOH

The compound that does not liberate $$\mathrm{CO}_{2}$$ on treatment with aqueous sodium bicarbonate solution is