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

Which structure can be explained by taking ground state configuration of atom?

At low temperature, the slow addition of molecular bromine to ${\mathrm{H}_2}\mathrm{C} = \mathrm{CH}-\mathrm{C}{\mathrm{H}_2}-\mathrm{C} \equiv \mathrm{CH}$ gives:

In Carius tube, an organic compound ' $\mathrm{X}$ ' is treated with sodium peroxide to form a mineral acid ' $Y$ '.

The solution of $\mathrm{BaCl}_2$ is added to ' $\mathrm{Y}$ ' to form a precipitate ' $Z$ '. ' $Z$ ' is used for the quantitative estimation of an extra element. ' $\mathrm{X}$ ' could be

Increasing order of acid strength is

a) Phenol $\quad \quad$ b) 3-Nitrophenol

c) 3,5-dinitro phenol $\quad$ 4) 2,4,6-trinitro phenol

Which purification technique is used for high boiling organic liquid compound (decomposes near its boiling point)?

$LiAl{H_4}$ is used as:

An indicator ‘$X$’ is used for studying the effect of variation in concentration of iodide on the rate of reaction of iodide ion with ${H_2}{O_2}$ at room temp. The indicator ‘$X$’ forms blue colored complex with
compound ‘$A$’ present in the solution. The indicator ‘$X$’ and compound ‘$A$’ respectively are

Which of the following statements is/are incorrect?

Which of the following molecules represents the order of hybridization $S{P^2},S{P^2},SP,SP$ from left to right atoms

Among the following, which one has more than one kind of hybridization?

(i) $\mathrm{C}{\mathrm{H}_3}\mathrm{C}{\mathrm{H}_2}\mathrm{C}{\mathrm{H}_2}\mathrm{C}{\mathrm{H}_3}$

(ii) $\mathrm{C}{\mathrm{H}_3}\mathrm{CH} = \mathrm{CHC}{\mathrm{H}_3}$

(iii)$\mathrm{C}{\mathrm{H}_2} = \mathrm{CH} - \mathrm{CH} \equiv \mathrm{CH}$

(iv) CH ≡ CH

The structure of tert-Butyl group in an organic compound is

During elimination reactions, the hybrid state of carbon atoms involved in change shows:

Total number of geometrical isomers in the following compound.
$C{H_3} - CH = CH - CH = CH - CH = CH - {C_6}{H_5}$

IUPAC name of ${\mathrm{C}_6}{\mathrm{H}_5}\mathrm{COCl}$ is :

Rearrangement is a property of_____

$1.6 \mathrm{~g}$ of an organic compound gave $2.6 \mathrm{~g}$ of magnesium pyrophosphate. The percentage of phosphorus in the compound is

The species which cannot exhibit optical isomerism is

Which of the following is prepared by heating its hydrated salt?

$1.216 \mathrm{~g}$ of an organic compound was reacted under Kjeldahl's method and the ammonia evolved was absorbed in $100 \mathrm{~mL} \mathrm{~N} \mathrm{H}_2 \mathrm{SO}_4.$ The remaining acid solution was made up to $500 \mathrm{~mL}$ by addition of water. $20 \mathrm{~mL}$ of this dilute solution required $32 \mathrm{~mL}$ of $\mathrm{N} / 10$ caustic soda solution for complete neutralisation. Calculate the percentage of nitrogen in the compound.

In which of the following options chlorine will act as the best leaving group

Which of the following compound is synthesised by Kolbe and Berthelot respectively that shows that organic compounds could be synthesised from inorganic sources in a laboratory?

The reaction of propene with HBr in the presence of Benzoyl peroxide is an example of

Which is optically active?

Among the following four compounds:

Statement I : Stereoisomers have the same molecular formula and same structural formual but they differ in configuration
Statement II : cis but-2-ene and trans but-2-ene are stereosisomers

How many isomers will ${\mathrm{C}_3}{\mathrm{H}_6}$ have?

Indicate the complex/complex ion which did not show any geometrical isomerism.

In phosphorus detection of an organic compound, the oxidised phosphorus compound solution is boiled with nitric acid and then treated with ammonium molybdate. Yellow colour is due to the formation of

Which chromatography is based on the fact that different compounds are adsorbed on an adsorbent to different degrees?

Inductive effect involves