$CATEGORY: Science - Khan Academy/4.Carbon and its Compounds/4.Carbon and its Compounds--Versatile Nature Of Carbon

//Multiple Choice

Which functional group is present in alcohols? {
    ~COOH
    =OH
    ~CHO
    ~None of the above
}

What is the functional group of aldehydes? {
    ~COOH
    =CHO
    ~OH
    ~-C\=O
}

Which functional group is present in carboxylic acids? {
    =COOH
    ~OH
    ~CHO
    ~-C≡N
}

What is the functional group of ketones? {
    ~COOH
    ~OH
    ~CHO
    =-C\=O
}

Which functional group is present in esters? {
    =-COO-
    ~COOH
    ~OH
    ~-C\=O
}

What is the functional group of amines? {
    =-NH₂
    ~OH
    ~CHO
    ~-C≡N
}

Which functional group is present in hydrocarbons classified as alkenes? {
    ~Single bond
    =Double bond
    ~Triple bond
    ~None of the above 
}

What functional group is characteristic of alkynes? {
    ~Single bond
    ~Double bond
    =Triple bond
    ~Carboxyl group
}

Which of the following compounds contains a halogen functional group? {
    ~CH₄
    =CH₃Cl
    ~C₂H₆
    ~C₂H₄
}

What is the functional group of nitriles? {
    ~COOH
    =-C\≡N
    ~OH
    ~CHO
}

//True or False

Alcohols contain the functional group -OH. {T}

Aldehydes contain the functional group -COOH. {F}

Carboxylic acids have the functional group -C\=O. {F}

Esters contain the functional group -COO-. {T}

Amines contain the functional group -NH₂. {T}

Alkenes contain at least one triple bond. {F}

Alkynes contain at least one double bond. {F}

Ketones contain the functional group -C\=O. {T}

Nitriles contain the functional group -C≡N. {T}

Aldehydes and ketones both contain a carbonyl group. {T}

//Fill in the blanks

The functional group of alcohols is ______. {
    ~COOH
    =OH
    ~CHO
    ~-C\=O
}

The functional group of aldehydes is ______. {
    ~COOH
    =CHO
    ~OH
    ~-C\=O
}

The functional group of carboxylic acids is ______. {
    =COOH
    ~OH
    ~CHO
    ~-C≡N
}

The functional group of ketones is ______. {
    ~COOH
    ~OH
    ~CHO
    =-C\=O
}

The functional group of esters is ______. {
    =-COO-
    ~COOH
    ~OH
    ~-C\=O
}

The functional group of amines is ______. {
    =-NH₂
    ~OH
    ~CHO
    ~-C≡N
}

Alkenes are characterized by the presence of a ______ bond. {
    ~Single
    =Double
    ~Triple
    ~Hydroxyl
}

Alkynes are characterized by the presence of a ______ bond. {
    ~Single
    ~Double
    =Triple
    ~Carboxyl
}

A compound with the functional group -Cl is known as a ______. {
    ~Alcohol
    =Halogenated hydrocarbon
    ~Ester
    ~Ketone
}

The functional group of nitriles is ______. {
    ~COOH
    =-C≡N
    ~OH
    ~CHO
}

//Numericals

What is the molecular formula of an alkane with 6 carbon atoms? {
    ~C6H12
    =C6H14
    ~C6H10
    ~C6H6
}

What is the molecular formula of an alkene with 3 carbon atoms? {
    =C3H6
    ~C3H8
    ~C3H4
    ~C3H10
}

What is the molecular formula of an alkyne with 5 carbon atoms? {
    =C5H8
    ~C5H6
    ~C5H10
    ~C5H4
}

What is the molecular formula of a carboxylic acid with 4 carbon atoms? {
    =C4H8O2
    ~C4H6O2
    ~C4H10O2
    ~C4H12O2
}

What is the molecular formula of an alcohol with 2 carbon atoms? {
    =C2H6O
    ~C2H4O
    ~C2H2O
    ~C2H8O
}

What is the molecular formula of an aldehyde with 3 carbon atoms? {
    =C3H6O
    ~C3H8O
    ~C3H4O
    ~C3H10O
}

What is the molecular formula of an ester with 2 carbon atoms in the alkyl group and 3 carbon atoms in the acid group? {
    =C5H8O2
    ~C4H6O2
    ~C6H10O2
    ~C5H10O2
}

What is the molecular formula of a ketone with 4 carbon atoms? {
    =C4H8O
    ~C4H6O
    ~C4H10O
    ~C4H12O
}

What is the molecular formula of an amine with 3 carbon atoms? {
    =C3H9N
    ~C3H7N
    ~C3H5N
    ~C3H11N
}

What is the molecular formula of an alkyne with 4 carbon atoms? {
    =C4H6
    ~C4H8
    ~C4H10
    ~C4H12
}

//Match the following

Match the following items from Column A with their correct corresponding options from Column B\:
{
=Alcohols -> - OH
=Aldehydes -> - CHO
=Carboxylic acids -> - COOH
=Nitriles -> - C\= N
}


//******** END **********