General Organic Chemistry

Match List - I with List - II.

Choose the correct answer from the options given below :

IUPAC name of the some alkenes are given below.
Find out the correct stability order.

A. 2-Methylbut-2-ene

B. cis-But-2-ene

C. 2, 3-Dimethylbut-2-ene

D. Prop-1-ene

Choose the correct answer from the options given below :

Identify the correct IUPAC name of hydrocarbon ($x$) containing three primary carbon atoms and with molar mass 72 g mol$^{-1}$.

$R_f$ value for 2-methylpropene in a solvent system (Ethyl acetate + ether) is 0.42. 2-methylpropene is treated with dilute $\ce{H2SO4}$ to give major organic product (X). $R_f$ value for (X) in the same solvent system under identical condition will be:

Given below are two statements :

Statement I : A mixture of $\ce{C12H22O11}$ (sugar) and NaCl can be separated by dissolving sugar in alcohol, due to differential solubility.

Statement II : Rose essence from rose petals is seperated by steam distillation due to its high volatility and insolubility in $\ce{H2O}$.

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

Given below are two statements :

Statement I : Vapours of the liquid with higher boiling point condense before vapours of the liquid with lower boiling points in fractional distillation.

Statement II : The vapours rising up in the fractionating column become richer in high boiling component of the mixture.

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

The major product of which of the following reaction is not obtained by rearrangement reaction ?

The total number of aromatic compounds/species from the following is

Consider the depicted hydrogen (H) in the hydrocarbons given below. The most acidic hydrogen (H) is

For the reaction sequence given below, the correct statement(s) is(are)

$$\text{cyclohexene} \xrightarrow{\ce{HBr}} \mathbf{P},\qquad \mathbf{P} \xrightarrow{\text{Finkelstein reaction}} \mathbf{Q},\qquad \mathbf{P} \xrightarrow{\text{Swarts reaction}} \mathbf{R}$$

(In the options, X is any atom other than carbon and hydrogen, and it is different in P, Q and R)

The monomer (X) involved in the synthesis of Nylon 6,6 gives positive carbylamine test. If 10 moles of X are analyzed using Dumas method, the amount (in grams) of nitrogen gas evolved is _____.

Use: Atomic mass of N (in amu) = 14

An organic compound P having molecular formula $\ce{C6H6O3}$ gives ferric chloride test and does not have intramolecular hydrogen bond. The compound P reacts with 3 equivalents of $\ce{NH2OH}$ to produce oxime Q. Treatment of P with excess methyl iodide in the presence of KOH produces compound R as the major product. Reaction of R with excess iso-butylmagnesium bromide followed by treatment with $\ce{H3O+}$ gives compound S as the major product.

The total number of methyl ($\ce{-CH3}$) group(s) in compound S is _____.

Consider the following reaction.

On estimation of bromine in 1.00 g of R using Carius method, the amount of AgBr formed (in g) is _____.

[Given: Atomic mass of H = 1, C = 12, O = 16, P = 31, Br = 80, Ag = 108]

Match the compounds in LIST-I with the observations in LIST-II, and choose the correct option.

Which of the following is an example of conjugated diketone ?

A 0.166 g sample of an organic compound was digested with conc. $\mathrm{H_2SO_4}$ and then distilled with NaOH. The ammonia gas evolved was passed through 50.0 mL of 0.5 N $\mathrm{H_2SO_4}$. The used acid required 30.0 mL of 0.25 N NaOH for complete neutralization. The mass percentage of nitrogen in the organic compound is ______.

Number of electrophillic centres in the given compound is ______.

The major product 'A' of the following given reaction has ______ $sp^2$ hybridized carbon atoms.
$$\text{2,7-Dimethyl-2,6-octadiene}\xrightarrow{\mathrm{H^+}}\underset{\text{Major Product}}{\mathrm A}$$

120 g of an organic compound that contains only carbon and hydrogen gives 330 g of $\mathrm{CO_2}$ and 270 g of water on complete combustion. The percentage of carbon and hydrogen, respectively are

Arrange the following carbocations in decreasing order of stability.