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Cemeg > Profion CH4 > Flashcards

Profion CH4 Flashcards

1
Q

Sut mae profi am grŵp carbonyl?

A

2,4 DNPH
Adio-dileu niwcleoffilig
Gwaddod oren/melyn yn ffurfio

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2
Q

Sut mae gwahaniaethu rhwng Ffenol a Alcohol?

A

Haearn III Clorid FeCl3

Hydoddiant porffor yn ffurfio gyda Ffenol

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3
Q

Sut mae gwahaniaethu rhwng aldehyd a ceton

A

ADWEITHYDD TOLLENS
Hydoddiant AgNO2 mewn amonia
Drych arian yn ffurfio

ADWEITHYDD FEHLING
Gwresogi
Hydoddiant glas i gwaddod brown/coch

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4
Q

Sut mae profi am y grwp CH3CO ?

A

ADWAITH TRIIODOMETHAN/IODOFFORM
Gwresogi hydoddiant iodin mewn NaOH i ffurfio ^^
Crisialau melyn

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5
Q

Sut mae gwahaniaethu rhwng Ffenol a Asid Carbocsilig

A

Gwresogi gyda Sodiwm Carbonad

Profi am CO2 gyda dwr calch / swigod

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6
Q

Sut mae profi am OH?

A

Adweithio gyda PCl5

Troi papur litmws llaith o las i coch

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7
Q

Sut mae gwahaniaethu rhwng Asid Carbocsilig Aromatig a Aliffatig?

A

Gwresogi gyda calch soda
Profi nwy a ryddheir gyda fflam
Aromatig - fflam fyglyd
Aliffatig - fflam lan

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Cemeg (6 decks)

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