Which of the following organic compounds has the same hybridization as its combustion product CO$_2$?

In Duma’s method for estimation of nitrogen, $0.25$ g of an organic compound gave $40$ mL of nitrogen collected at $300K$ temperature and $725$ mm pressure. If the aqueous tension at $300K$ is $25$ mm, the percentage of nitrogen in the compound is?

Treatment of cyclopentanone O with methyl lithium gives which of the following species?

Which of the following is the most correct electron displacement for a nucleophilic reaction to take place?

The total number of π-bond electrons in the following structure is

In which of the following compounds, the C—Cl bond ionization shall give the most stable carbonium ion?

Consider the following compounds below. Hyperconjugation occurs in

Given the three structures given below:$\\$The enthalpy of hydrogenation of these compounds will be in the order as

The enolic form of ethyl acetoacetate as below has:

Which of the given compounds can exhibit tautomerism?

A single compound of the structure is obtainable from ozonolysis of which of the following cyclic compounds?

Consider the molecules $CH_4, NH_3$ and $H_2O.$ Which of the given statements is false ?

The pair of electrons in the given carbanion, $CH_3C \equiv C^{-} ,$ is present in which of the following orbitals?

The most suitable method of separation of 1:1 mixture of ortho and para-nitrophenols is

The correct statement regarding electrophile is

The IUPAC name of the compound is

Regarding cross-linked or network polymers, which of the following statements is incorrect?

Which oxide of nitrogen is not a common pollutant introduced into the atmosphere both due to natural and human activity?

Which of the following carbocations is expected to be most stable?

Which of the following is correct with respect to -I effect of the substituents? (R = alkyl)

In the reaction:$$CHCl$_3 +$AlCl$_3 \rightarrow$Electrophile$,$the electrophile involved is

The number of sigma ($\sigma$) and pi ($\pi$) bonds in pent-2-en-4-yne is:

Identify the incorrect statement related to $PCl_5$ from the following:

Match the following and identify the correct option.

A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of which of the following?

Paper chromatography is an example of:

Identify compound X in the following sequence of reactions:

Which of the following is not correct about carbon monoxide?

Which of the following is a cationic detergent?

Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature?

An organic compound contains 78% (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is:$\newline$(Atomic wt. of C is 12, H is 1)

The compound which shows metamerism is:

Choose the correct statement:

The Kjeldahl's method for the estimation of nitrogen can be used to estimate the amount of nitrogen in which one of the following compounds?

Assertion (A): ICl is more reactive than I$_2. \\$Reason (R): I-Cl bond is weaker than I-I bond.$\\$Choose the most appropriate answer from the options given below:

Which of the following compounds is not an aromatic compound?

Which of the following statements is not correct about diborane?

The correct IUPAC name of the following compound is:

Complete the following reaction: [C] is ________

The number of sigma bonds, pi bonds and lone pair of electrons in pyridine, respectively, are:

Consider the following compounds/species. The number of compounds/species which obey Huckel's rule is