Organic Chemistry PYQ — Page 44

 The compound $'A'$ is a complementary base of .......... in $\mathrm{DNA}$ strands.

In the following sequence of reactions, ${C}_{3}{H}_{6}\overset{{H}^{+}/{H}_{2}O}{\longrightarrow }A\frac{\mathrm{KIO}}{\mathrm{dilKOH}}B+C$. The compounds $B$ and $C$ respectively are :

Deficiency of vitamin K causes :

Using the provided information in the following paper chromatogram:  The calculated ${R}_{f}$ value of $A\mathrm{is}_____\times {10}^{-1}$.

Compound A gives D-Galactose and D-Glucose on hydrolysis. The compound A is :

 The Major Product in the above reaction is :

In the reaction of hypobromite with amide, the carbonyl carbon is lost as:

 The correct order of their reactivity towards hydrolysis at room temperature is:

 Consider the above reaction, the Product "P" is :

 Consider the above reaction sequence, Product "A" and Product "B" formed respectively are:

In the following sequence of reactions the $P$ is: 

What is the correct sequence of reagents used for converting nitrobenzene into $m$-dibromobenzene?

The major product (A) formed in the reaction given below is : 

An organic compound $A$ on treatment with benzene sulfonyl chloride gives compound $B$. $B$ is soluble in dil. $\mathrm{NaOH}$ solution. Compound $A$ is :

Seliwanoff test and Xanthoproteic test are used for the identification of _ and _ respectively.

The diazonium salt of which of the following compounds will form a coloured dye on reaction with $\beta$-Naphthol in $\mathrm{NaOH}?$

An unsaturated hydrocarbon $X$ on ozonolysis gives $A$. Compound $A$ when warmed with ammoniacal silver nitrate forms a bright silver mirror along the sides of the test tube. The unsaturated hydrocarbon $X$ is :

Which one of the following set of elements can be detected using sodium fusion extract?

The total number of $C-C$ sigma bond/s in mesityl oxide $({C}_{6}{H}_{10}O)$ is (Round off to the Nearest Integer).

The correct sequence of correct reagents for the following transformation is :- 

Ammonolysis of Alkyl halides followed by the treatment with $\mathrm{NaOH}$ solution can be used to prepare primary, secondary and tertiary amines. The purpose of $\mathrm{NaOH}$ in the reaction is.

Ceric ammonium nitrate and ${\mathrm{CHCl}}_{3}/\mathrm{alc}$. $\mathrm{KOH}$ are used for the identification of functional groups present in _ and _ respectively.

Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence of conc. ${H}_{2}{\mathrm{SO}}_{4}$ ?

What is A in the following reaction?