Advertisements
Advertisements
प्रश्न
Write two uses of formaldehyde
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Name the following compound according to IUPAC system of nomenclature:
CH3CH2COCH(C2H5)CH2CH2Cl
Name the following compound according to IUPAC system of nomenclature:
CH3CH=CHCHO
Name the following compound according to IUPAC system of nomenclature:
(CH3)3CCH2COOH
Write the IUPAC name of the following ketone or aldehyde. Wherever possible, give also the common name.
CH3CO(CH2)4CH3
Write the IUPAC name of the following ketone or aldehyde. Wherever possible, give also the common name.
CH3(CH2)5CHO
Give IUPAC name of :
Give simple chemical tests to distinguish between the following pairs of compounds:
Butanal and Butan-2-one
Give IUPAC names of the following compound:
The following compound is called:
O-hydroxy benzyl alcohol when reacted with PCl3 gives the product as ______. (IUPAC name)
Give the IUPAC names of the following compounds.
Write IUPAC names of the following structures.
Arrange the following in decreasing order of their acidic strength and give reason for your answer.
\[\ce{CH3CH2OH, CH3COOH, ClCH2COOH, FCH2COOH, C6H5CH2COOH}\]
Arrange the following in the increasing order of their property indicated:
Acetaldehyde, Acetone, Methyl tert butyl ketone (reactivity towards NH2OH).
Which of the following I.U.P.A.C. name for (CH3)2CH – CH2 – CH2Br is correct?
IUPAC name of following compound is:
Write the IUPAC name of the following complex:
K2[PdCl4]
Complete the following:
\[\ce{CH3CN ->[1. AlH(i - Bu)2][2. H2O] 'A' ->[H2N-OH][H^+] 'B'}\]
Write the IUPAC name of
\[\begin{array}{cc}
\ce{CH3 - CH = C - CH - Br}\\
\phantom{.......}|\phantom{....}|\phantom{.}\\
\phantom{......}\ce{H3C}\phantom{...}\ce{CH3}\phantom{}
\end{array}\]
What is IUPAC name of the ketone A, which undergoes iodo form reaction to give \[\ce{CH3CH = C(CH3)COONa}\] and yellow precipitate of \[\ce{CH3}\]?
Convert the following:
Bromobenzene to benzoic acid
Predict the products (name and structure) in the following reaction:
\[\ce{C6H5 - CH2 - CH3 ->[alk. KMnO4][\Delta]}\] ?
Write the structure of the following compound.
Di-sec. butyl ketone
Write the structure of the following compound.
Di-sec. butyl ketone
Write the structure of the following compound:
Di-sec-butyl ketone
