Embibe Experts Solutions for Chapter: Basic Analytical Techniques, Exercise 1: Exercise 1

The sodium extract of an organic compound, on acidification with acetic acid and addition of lead acetate solution, gives a black
precipitate. The organic compound contains_______.

A compound made of two elements $\mathrm{A}$ and $\mathrm{B}$ are found to contain $25\% \mathrm{A}$ (Atomic mass $12.5$) and $75\% \mathrm{B}$ (Atomic mass $37.5$). The simplest formula of the compound is _____

Which of the following has same molecular formula and empirical formula? 

 Empirical formula of glucose is ________________ 

The molecular weight of a compound is $180.$ If its empirical formula is ${\mathrm{CH}}_2\mathrm{O}$ then the molecular formula of the compound is?

The nitrogen content of which of the following compound CANNOT be estimated using Kjeldahl’s method?

In Dumas method, $0.3 \mathrm{g}$ of an organic compound gave $45 \mathrm{mL}$ of nitrogen at $\mathrm{STP}$. The percentage of nitrogen is.

$0.2595 \mathrm{g}$ of an organic substance in a quantitative yielded $0.35 \mathrm{g}$ of the barium sulphate. The percentage of sulphur in the substance is.