Organic chemistry-some basic principles and techniques practice · Mixed difficulty

How to obtain Glacial acetic acid from its solution

The Kolbe’s electrolysis proceeds $via$

Which of the following is most reactive towards elimination reaction?

29.5 mg of organic compound containing nitrogen was digested according to Kjeldahl’s method and the evolved ammonia was absorbed in 20mL of 0.1 M HCl solution. The excess of the acid required 15mL of 0.1M NaOH solution for complete neutralisation. The percentage of nitrogen in the compound is

Which of the following is strongest nucleophile

Assertion:- Trihydroxyglutaric acid $(COOH–CHOH–CHOH–CHOH–COOH)$ exists in four
stereoisomeric forms, two of which are optically active while the other two are meso-forms.

Reason :- It contains two asymmetric and one pseudo-asymmetric carbon atom.

The IUPAC name of the following compound is:
${H_3}C - \mathop C\limits^{\begin{array}{cccccccccccccccccccc} O \\ {||} \end{array}} - \mathop {\mathop C\limits^H }\limits_{\begin{array}{cccccccccccccccccccc} | \\ {Cl} \end{array}} - \mathop {\mathop C\limits^H }\limits_{\begin{array}{cccccccccccccccccccc} | \\ {Br} \end{array}} - \mathop {\mathop C\limits^H }\limits_{\begin{array}{cccccccccccccccccccc} | \\ I \end{array}} - COOH$

Given below are two statements:

Statement I: When two or more compounds differ in the position of substituent atom or functional group on the carbon skeleton, they are called functional isomers.

Statement II: Two or more compounds having the same molecular formula but different functional groups are called position isomers.

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

1.2g of organic compound of Kjeldahlization liberates ammonia which consumes
30 $c{m^3}$ of 1N HCl. The percentage of nitrogen in the organic compound is

Adsorption principle is used in

In Kjeldahl’s method, the Nitrogen present in the organic compound is quantitatively converted into

In Duma's method for estimation of nitrogen, $0.35 \,{~g}$ of an organic compound gave $70 \,{ml}$ of nitrogen collected at $300 {~K}$ temperature and $624 {~mm} \,{Hg}$ pressure. If the aqueous tension at $300 \,{~K}$ is $24\, {~mm}\, {Hg}$ then the percentage of nitrogen in the compound is

Arrange priority CIP sequence of given groups in decreasing order

i) $OH \quad$ ii) $COOH \quad$ iii) $CHOHCH_3 \quad$ iv) $CH_2OH$

Most stable resonating structure is

Terpentine oil can be purified by:

Formulae of phenyl carbinol and chloral are respectively :

Which of the following is the most powerful meta directing group?

During the quantitative analysis of salt cation ${\mathrm{y}^{2 + }},$ addition of a reagent (X) to alkaline solution of the salt gives a bright red precipitate. The reagent (X) and the cation $\left( {{\mathrm{y}^{2 + }}} \right)$ present respectively are:

The most stable free radical is

The property by virtue of which a compound can turn the plane of polarization of light is known as :

In which of the following $p -$electrons of the halogens are not involved in delocalisation?

Ethoxy ethane and methoxy propane are :

Examples of electron withdrawing groups relative to hydrogen are

The correct decreasing order of priority for the functional groups of organic compounds in the IUPAC system of nomenclature is

The IUPAC name of the compound,
is $C{H_3}\,CH = CHC \equiv CH$

The energy of $\mathrm{C}-\mathrm{C}$ triple bond in acetylene in kcal is :

0.4 g of a silver salt of a monobasic orgainc acid gave 0.26 g pure silver on ignition. the molecular weight of the acid is (atomic weight of silver=108)

Which of the following is the strongest base?

The sulphur present in an organic compound is oxidized by fuming nitric acid into:

Assertion (A): The order of stability of carbanion are $\left(\mathrm{C}_6 \mathrm{H}_5\right) \mathrm{C}^{-} > \mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2^{-} > \text {allyl } > \mathrm{CH}_3^{-} > \left(\mathrm{CH}_3\right)_2 \mathrm{CH}^{-}$
Reason (R): The stability of carbanions is influenced by both resonance and inductive effects.