Charcoal - Amorphous Forms of Carbon
Questions about wood charcoal, sugar charcoal, and bone charcoal - amorphous forms of carbon. Note: This quiz does not cover other carbon allotropes like diamond or graphite.
Questions
Wood charocal is used in gas masks because it:
- has good smell
- dissolves poisonous gases
- adsorbs poisonous gases
- reacts with poisonous gases
In the preparation of wood charcoal, liquid pyroligneous acid is obtained. It consists of :
- acetone
- methanol
- acetic acid
- vinegar
In a test tube, a cotton plug was placed and a few drops of bromine liquid were added to it and then a piece of wood charcoal was added to the test tube. Which of the following are observed?
- Initially the test tube is filled with brown vapours
- Activated wood charcoal absorbs gases
- Brown vapours are retained in the test tube
- Brown vapours are formed because of wood charcoal
$C _{12}H _{22}O _{11}\xrightarrow{Conc. H _2SO _4} 12C+11H _2O$
Which of the following is obtained by the above reaction?
- Animal charcoal
- Sugar charcoal
- Coke
- Wood charcoal
Bone charcoal is prepared by destructive distillation of bones.
- True
- False
Sugar charcoal is prepared by pouring water on sugar syrup.
- True
- False
In a test tube, a cotton plug was placed and a few drops of bromine liquid were added to it and then a piece of wood charcoal was added to the test tube. Which of the following are observed?
- Initially the test tube is filled with brown vapours
- Activated wood charcoal absorbs gases
- Brown vapours are retained in the test tube
- Brown vapours are formed because of wood charcoal
${ C } _{ 12 }{ H } _{ 22 }{ O } _{ 11 }\xrightarrow { \quad \quad Conc.{ H } _{ 2 }S{ O } _{ 4 }\quad \quad } 12C+11{ H } _{ 2 }O$
Which of the following is obtained by the above reaction?
- Animal charcoal
- Sugar charcoal
- Coke
- Wood charcoal
In the preparation of wood charcoal, liquid pyroligneous acid is obtained. It consists of:
- acetone
- methanol
- acetic acid
- Vinegar