Benzyl isocyanide can be obtained from Choose the correct answer from the options given below :
- A and B Only
- A and C Only
- B and D Only
- D and E Only
Previous year questions with solutions · 2024 – 2026
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|---|---|---|---|---|
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Benzyl isocyanide can be obtained from Choose the correct answer from the options given below :
Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :
For the given molecule, "x", the preferred site for the attack of the electrophile is : [figure]
Consider the following reactions sequence [figure] When the product (P) is subjected to Carius analysis using AgNO3, 1.0 g of the product (P) will produce g of the precipitate of AgBr. (Nearest Integer) (Given : molar mass in g mol-1 C : 12, H : 1, O : 16, N : 14, Br : 80, Ag : 108)
A student performed analysis of an aliphatic organic compound 'X' which on analysis gave C = 61.01%, H = 15.25%, N = 23.74%. This compound, on treatment with HNO2/H2O, produced another compound 'Y' which did not contain any nitrogen atom. However, the compound 'Y' upon controlled oxidation produced another compound 'Z' that responded to iodoform test. The structure of 'X' is :
Total number of alkali-insoluble solid sulphonamides obtained by reaction of given amines with Hinsberg's reagent is . Aniline, N-Methylaniline, Methanamine, N,N-Dimethylmethanamine, N-Methylmethanamine, Phenylmethanamine, N-Propylaniline, N-Phenylaniline, N,N-Dimethylaniline, Allylamine, Isopropylamine
Given below are two statements : In the light of the above statements, choose the correct answer from the options given below
Consider the following sequence of reactions. [figure] Assuming that the reaction proceeds to completion, then 137 mg of 4-nitrotoluene will produce mg of B. (Given molar mass in g mol-1 H : 1, C : 12, N : 14, O : 16, Br : 80)
A student has been given a compound 'x' of molecular formula C6H7N. 'x' is sparingly soluble in water. However, on addition of dilute mineral acid, 'x' becomes soluble in water. 'x' when treated with CHCl3 and KOH(alc), 'y' is produced. 'y' has a specific unpleasant smell. On treatment with benzenesulphonyl chloride, 'x' gives a compound 'z' which is soluble in alkali. The number of different "H" atoms present in 'z' is :
The mass of benzanilide obtained from the benzoylation reaction of 5.8 g of aniline, if yield of product is 82\%, is g (nearest integer). (Given molar mass in g mol-1 H : 1, C : 12, N : 14, O : 16)
A hydrocarbon 'P' (C4H8) on reaction with HCl gives an optically active compound 'Q' (C4H9Cl) which on reaction with one mole of ammonia gives compound 'R' ( C4H11N). 'R' on diazotization followed by hydrolysis gives 'S'. Identify P, Q, R and S.
Consider the following reaction sequence [figure] The percentage of nitrogen in product 'T' formed is %. (Nearest integer) (Given molar mass in g mol-1 H : 1, C : 12, N : 14, O : 16)
Which of the following amine(s) show(s) positive carbylamine test? Choose the correct answer from the options given below:
The major product (A) formed in the following reaction sequence is [figure]
Identify correct statements : Choose the correct answer from the options given below :
For reaction [figure] The correct order of set of reagents for the above conversion is :
Which among the following react with Hinsberg's reagent? Choose the correct answer from the options given below :
Number of amine compounds from the following giving solids which are soluble in NaOH upon reaction with Hinsberg's reagent is . [figure]
Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :
An amine (X) is prepared by ammonolysis of benzyl chloride. On adding p-toluenesulphonyl chloride to it the solution remains clear. Molar mass of the amine (X) formed is g mol-1. (Given molar mass in g mol-1 C : 12, H : 1, O : 16, N : 14)
9.3 g of pure aniline is treated with bromine water at room temperature to give a white precipitate of the product 'P'. The mass of product 'P' obtained is 26.4 g. The percentage yield is %.
X g of ethanamine was subjected to reaction with NaNO2/HCl followed by hydrolysis to liberate N2 and HCl. The HCl generated was completely neutralised by 0.2 moles of NaOH. X is g.
Xg of ethylamine is subjected to reaction with NaNO2/HCl followed by water; evolved dinitrogen gas which occupied 2.24 L volume at STP. X is 10-1 g.
From 6.55 g of aniline, the maximum amount of acetanilide that can be prepared will be 10-1 g.
Given below are two statements : In the light of the above statements, choose the most appropriate answer from the options given below :
Number of compounds which give reaction with Hinsberg's reagent is . [figure]
Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :
A compound (x) with molar mass 108 g mol-1 undergoes acetylation to give product with molar mass 192 g mol-1. The number of amino groups in the compound (x) is .
The arenium ion which is not involved in the bromination of Aniline is .
9.3 g of aniline is subjected to reaction with excess of acetic anhydride to prepare acetanilide. The mass of acetanilide produced if the reaction is 100% completed is 10-1 g. (Given molar mass in g mol-1 N : 14, O : 16, C : 12, H : 1)