(B) Formalin is an aqueous solution containing approximately $40\% \, HCHO$ (formaldehyde),$8\% \, CH_3OH$ (methanol) as a stabilizer,and $52\%$ water

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(B) Formalin is an aqueous solution containing approximately $40\% \, HCHO$ (formaldehyde),$8\% \, CH_3OH$ (methanol) as a stabilizer,and $52\%$ water.It is widely used as a biological preservative for specimens.

Class 12 Chemistry 1 Aldehydes, Ketones and Carboxylic Acids: Aldehydes and Ketones Introduction

Medium

Formalin is an aqueous solution of

A
Formic acid
B
Formaldehyde
C
Fluorescein
D
Furfuraldehyde

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Class 12

Chemistry Questions

Chapter

1 Aldehydes, Ketones and Carboxylic Acids: Aldehydes and Ketones

Subtopic

Introduction

Which of the following is a simple (symmetrical) ketone?

DifficultMHT CET 2024

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Find the correct molecular formulas for the following compounds: $(i)$ Propanone,$(ii)$ Propanal,and $(iii)$ $n$-Propanol.

Medium

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Match the formulas in column-$I$ with their corresponding names or functional group classifications in column-$II$.

column-$I$ column-$II$

$(i)$ $CH_3COCH_3$ $(a)$ Aldehyde,$(b)$ Ketone

$(ii)$ $CH_3CH_2CHO$ $(c)$ Propanone,$(d)$ Oxo

$(iii)$ $CH_3CH_2COOH$ $(e)$ One,$(f)$ al

$(g)$ Propanoic acid

column-$I$	column-$II$
$(i)$ $CH_3COCH_3$	$(a)$ Aldehyde,$(b)$ Ketone
$(ii)$ $CH_3CH_2CHO$	$(c)$ Propanone,$(d)$ Oxo
$(iii)$ $CH_3CH_2COOH$	$(e)$ One,$(f)$ al
	$(g)$ Propanoic acid