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प्रश्न
Write two uses of formaldehyde
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उत्तर
Uses of formaldehyde:
a) Formalin (40% solution of formaldehyde) is used as preservative for biological specimens
b) Formaldehyde is used for silvering mirror.
c) Formaldehyde is used for the production of several plastic and resins, bakelite
and binders in plywood.
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संबंधित प्रश्न
How are ketones classified?
Write the structures and IUPAC names of the α - methyl butyraldehyde.
Compound having general formula
is called
(A) diester
(B) acid anhydride
(C) hemiacetal
(D) acetal
Name the following compound according to IUPAC system of nomenclature:
CH3CH2COCH(C2H5)CH2CH2Cl
Name the following compound according to IUPAC system of nomenclature:
CH3CH(CH3)CH2C(CH3)2COCH3
Write the IUPAC name of the following ketone or aldehyde. Wherever possible, give also the common name.

Write the IUPAC name of the following ketone or aldehyde. Wherever possible, give also the common name.
PhCOPh
Give IUPAC name of :

IUPAC name of CH3CHO is ____________.
Give the IUPAC name of the following compound:
\[\begin{array}{cc}
\phantom{.................}\ce{Br}\phantom{....}\ce{CH3}\phantom{.........}\ce{O}\phantom{...}\\
\phantom{................}|\phantom{......}|\phantom{............}||\phantom{..}\\
\ce{CH3 - CH2 - CH2CH - CH - CH2 - C - H}
\end{array}\]
The following compound is called:

Prop-2-enal is called ____________.
O-hydroxy benzyl alcohol when reacted with PCl3 gives the product as ______. (IUPAC name)
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.
\[\begin{array}{cc}
\ce{CH3 - CH2 - C - CH2 - CHO}\\
||\phantom{.}\\
\ce{O}\phantom{.}
\end{array}\]
Give the IUPAC name of the following compound.
CH3 − CH = CH − CHO
Arrange the following in the increasing order of their property indicated:
Acetaldehyde, Acetone, Methyl tert butyl ketone (reactivity towards NH2OH).
is
What is the IUPAC name of the following compound?

Write chemical reactions for the following conversions:
Ethyl bromide to ethyl methyl ether.
Complete the following:
\[\ce{CH3CN ->[1. AlH(i - Bu)2][2. H2O] 'A' ->[H2N-OH][H^+] 'B'}\]
Write the IUPAC name of
\[\begin{array}{cc}
\ce{CH3 - CH = C - CH - Br}\\
\phantom{.......}|\phantom{....}|\phantom{.}\\
\phantom{......}\ce{H3C}\phantom{...}\ce{CH3}\phantom{}
\end{array}\]
Write the structure of the following compound:
Di-sec-butyl ketone
Predict the products (name and structure) in the following reaction:
\[\ce{CH3CH2CN ->[\Delta][dil. HCl]}\] ?
Predict the products (name and structure) in the following reaction:
\[\ce{CH3 - CONH2 ->[\Delta][dil. HCl]}\] ?
Draw structures of the following derivatives
AcetaldehydedimethylacetalACe
Write the structure of the following compound.
Di-sec. butyl ketone
