Science (English Medium) Class 12 - CBSE Question Bank Solutions

Match the structures of compounds given in Column I with the classes of compounds given in Column II.

	Column I	Column II
(i)	\[\begin{array}{cc} \ce{CH3 - CH - CH3}\\ |\phantom{..}\\ \ce{X}\phantom{..} \end{array}\]	(a) Aryl halide
(ii)	\[\ce{CH2 = CH - CH2 - X}\]	(b) Alkyl halide
(iii)		(c) Vinyl halide
(iv)	\[\ce{CH2 = CH - X}\]	(d) Allyl halide

Benzophenone can be obtained by:

(i) Benzoyl chloride + Benzene + \[\ce{AlCl3}\]

(ii) Benzoyl chloride + Diphenyl cadmium

(iii) Benzoyl chloride + Phenyl magnesium chloride

(iv) Benzene + Carbon monoxide + \[\ce{ZnCl2}\]

Give the IUPAC names of the following compounds.

Give the IUPAC names of the following compounds.

Give the IUPAC names of the following compounds.

\[\begin{array}{cc}
\ce{CH3 - CH2 - C - CH2 - CHO}\\
||\phantom{.}\\
\ce{O}\phantom{.}
\end{array}\]

Give the IUPAC name of the following compound.

CH₃ − CH = CH − CHO

Write IUPAC names of the following structures.

\[\begin{array}{cc}
\ce{CHO}\\
|\phantom{....}\\
\ce{CHO}\\
\end{array}\]

Write IUPAC names of the following structures.

Write IUPAC names of the following structures.

Arrange the following in decreasing order of their acidic strength and give reason for your answer.

\[\ce{CH3CH2OH, CH3COOH, ClCH2COOH, FCH2COOH, C6H5CH2COOH}\]

Which of the following is a 3° amine?

The correct IUPAC name for \[\ce{CH2 = CHCH2 NHCH3}\] is ______.

Which of the following is the weakest Brönsted base?

Give the structure of ‘A’ in the following reaction.

What is the structure and IUPAC name of the compound, allylamine?

Write down the IUPAC name of 

Three cyclic structures of monosaccharides are given below which of these are anomers.

(I)
(II)
(III)

Structure of a disaccharide formed by glucose and fructose is given below. Identify anomeric carbon atoms in monosaccharide units.

Which of the following monosaccharides are present as five membered cyclic structure (furanose structure)?

(i) Ribose

(ii) Glucose

(iii) Fructose

(iv) Galactose

Name the sugar present in milk. How many monosaccharide units are present in it? What are such oligosaccharides called?