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

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 

Assertion: Rayon is a semi-synthetic polymer and is taken as a better choice than cotton fabric.

Reason: Mechanical and aesthetic properties of cellulose can be improved by acetylation.

Assertion: Most of the Synthetic polymers are not biodegradable.

Reason: Polymerisation process induces toxic character in organic molecules.

Synthetic polymers do not degrade in the environment for a long time. How can biodegradable synthetic polymers be made. Differentiate between biopolymers and biodegradable polymers and give examples of each type.

Which of the following statements is correct?