Dr. S.N. DHAWAN, Dr. S.C.KHETERPAL and, P.N.KAPIL Solutions for Chapter: Organic Chemistry - Some Basic Principles and Techniques, Exercise 2: TEST YOUR GRIP

$0.40 \mathrm{g}$ of an organic compound containing phosphorus gave $0.555 \mathrm{g}$ of ${\mathrm{Mg}}_2{\mathrm{P}}_2{\mathrm{O}}_7$ by usual analysis. Calculate the percentage of phosphorus in the organic compound.

The IUPAC name of  is

The IUPAC name of  is

$1.2 \mathrm{g}$ of organic compound on kjeldahlization liberates ammonia which consumes $30 {\mathrm{cm}}^3$ of $0.1 \mathrm{N}$ $\mathrm{HCl}$. The percentage of nitrogen in the compound is

The kind of delocalisation involving $\mathrm{\sigma }$-bond orbitals is called _____ . (resonance/hyperconjugation)

Among isomeric butenes, _____ is the most stable.(trans-2-butene/cis-2-butene)

The bond dissociation energy needed to form the benzyl radical from toluene is _____ (greater/lower) than the energy needed for the formation of methyl radical from methane in terms of lower or higher. 

Liquids which decompose at or lower than their boiling points are purified by _____ under reduced pressure.