NTA JEE Mains 28th Jan 2025 Shift 2

Concentrated nitric acid is labelled as 75% by mass. The volume in mL of the solution which contains 30 g of nitric acid is ____. Given : Density of nitric acid solution is 1.25 g/mL .

Given below are two statements : Statement (I) :

are isomeric compounds. Statement (II) :

are functional group isomers.

Identify product [A],[B] and [C] in the following reaction sequence.
$$\mathrm{CH_3 - C \equiv CH \xrightarrow[\mathrm{H_2}]{\mathrm{Pd/C}} [A] \xrightarrow[\mathrm{(ii)\ Zn,\ H_2O}]{\mathrm{(i)\ O_3}} [B] + [C]}$$

The total number of compounds from below when treated with hot $$KMnO_{4}$$ giving benzoic acid is :

Match List - I with List - II.

Choose the correct answer from the options given below :

Identify correct statements : (A) Primary amines do not give diazonium salts when treated with $$NaNO_{2}$$ in acidic condition. (B) Aliphatic and aromatic primary amines on heating with $$CHCl_{3}$$and ethanolic KOH form carbylamines. (C) Secondary and tertiary amines also give carbylamine test. (D) Benzenesulfonyl chloride is known as Hinsberg's reagent. (E) Tertiary amines reacts with benzenesulfonyl chloride very easily. Choose the correct answer from the options given below :

For bacterial growth in a cell culture, growth law is very similar to the law of radioactive decay. Which of the following graphs is most suitable to represent bacterial colony growth ? Where N - Number of Bacteria at any time, $$N_{0}$$ - Initial number of Bacteria.

The amphoteric oxide among $$V_{2}O_{3}$$ and $$V_{2}O_{5}$$ , upon reaction with alkali leads to formation of an oxide anion. The oxidation state of V in the oxide anion is :

Arrange the following in increasing order of solubility product :$$\mathrm{Ca(OH)_2, \ AgBr, \ PbS, \ HgS}$$

The purification method based on the following physical transformation is :