Ncert Solutions Chemistry Class 12th

The molar conductance of NaCl, HCl and CH?COONa at infinite dilution are 126.45, 426.16 and 91.0 cm² mol¯¹ respectively. The molar conductance of CH?COOH at infinite dilution is. Choose the right option for your answer.

The correct structure of 2, 6-Dimethyl-dec-4-ene is :

The RBC deficiency is deficiency disease of :

The correct IUPAC name of the following compound is:

Copper crystallises in fee unit cell with cell edge length of 3.608 × 10^-8 cm. The density of copper is 8.92 g cm^-3. Calculate the atomic mass of copper.

In the neutral or faintly alkaline medium, KMnO₄ oxidises iodide into iodate. The change in oxidation state of manganese in this reaction is from:

Given below are two statements:

Statement I: In Lucas test, primary, secondary and tertiary alcohols are distinguished on the basis of their respectively with conc. HCl + ZnCl₂, known as Lucas Reagent.
Statement II: Primary alcohols are most reactive and immediately produce turbidity at room temperature on reaction with Lucas Reagent

In the light of the above statements, choose the most appropriate answer from the options given below:

Match List -I with List -II

List -I (Ores)
(a) Haematite
(b) Magnetite
(c) Calamine
(d) Kaolinite

List-II (Composition)
(i) Fe₃O₄
(ii) ZnCO₃
(iii) Fe₂O₃
(iv) [Al₂(OH)₄Si₂O₅]

Choose the correct answer from the options given below:

The product formed from the following reaction sequence is:

Which one of the following is not formed where acetone reacts with 2-pentanone in the presence of dilute NaOH followed by heating?