मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write Two Uses of Formaldehyde - Chemistry

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.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2015-2016 (July)

APPEARS IN

संबंधित प्रश्‍न

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


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

CH3CH2CHBrCH2CH(CH3)CHO


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

Ph-CH=CH-CHO


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

 


Write IUPAC names of the following structures.

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


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).


Write the IUPAC name for the following organic compound:


The correct IUPAC name for the given molecule should be

\[\begin{array}{cc}
\ce{H3C - \overset{H}{C} - \overset{H2}{C} - \overset{H}{C} - OH}\\
\phantom{.}|\phantom{.........}|\phantom{}\\
\phantom{...}\ce{CH3}\phantom{......}\ce{CH3}\phantom{}
\end{array}\]


  is


The correct IUPAC name of the following compound is:


IUPAC name of following compound is:


What is the IUPAC name of the following compound?


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 structure of the following compound:

Di-sec-butyl ketone


Write the structure of the following compound:

Di-sec-butyl ketone


Predict the products (name and structure) in the following reaction:

\[\ce{CH3 - CONH2 ->[\Delta][dil. HCl]}\] ?


Predict the products (name and structure) in the following reaction:

\[\ce{C6H5 - CH2 - CH3 ->[alk. KMnO4][\Delta]}\] ?


Draw structures of the following derivatives

AcetaldehydedimethylacetalACe


Write the structure of the following compound.

Di-sec. butyl ketone


Write the structure of the following compound:

Di-sec-butyl ketone


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×