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25 questions
Namakan siri homolog sebatian Y.
Name the homologous series of compound Y.
Tuliskan formula molekul bagi sebatian dalam Rajah 1 and namakan sebatian yang ditunjukkan dalam Rajah 1
Write the molecular formula of the compound in Diagram 1 and name the compound shown in Diagram 1
Balance the equation by filling in the blank given.
Hitungkan jisim molekul relatif sebatian Y tersebut .
Calculate the relative molecular mass of compound Y.
[Jisim
atom relatif: H=1, C=12] / [Relative atomic mass: H=1, C=12]
Calculate the mass of compound Y burnt if 120cm3 of carbon dioxide is produced at room temperature.
Kira jisim sebatian Y yang terbakar jika 120cm3 karbon dioksida terbentuk pada keadaan bilik.
[1 mol of gas occupies 24 dm3 at room conditions]
[1 mol gas menempati 24 dm3 pada keadaan bilik]
Jika dua atom hydrogen daripada sebatian dalam Rajah 1 digantikan dengan dua atom klorin , namakan sebatian yang terbentuk.
If two atoms of hydrogen of the compound in Diagram 1 are replaced by two atoms of chlorine, name the compound that is formed.
Apakah yang dimaksudkan dengan isomer ?
What is meant by isomer?
Molecular formula that shows the type and number of atoms of each element in a molecular compound.
A phenomenon where a compound has the same molecular formula but different structural formula
Molecular structures that have different chemical properties but the same physical properties
Namakan Sebatian X
Name compound X
Namakan Sebatian Y
Name compound Y
Nyatakan formula am bagi sebatian X dan Y.
State the general formula of compound X and Y
Nyatakan dua sifat fizik bagi sebatian X dan Y
State two physical properties of compound X and Y
Insoluble in water
Soluble in water
Charged molecules
Conduct electricity in aqueous and molten state
Does not conduct electricity
Seorang pelajar telah menjalankan satu eksperimen menggantikan hydrogen di dalam satu sebatian alkana dalam tindak balas penggantian di dalam bilik gelap.
Dia mendapati tindak balas itu tidak berjaya.
Berikan alasan anda.
A student carried out an experiment to replace hidrogen in an alkane compound with chlorine under substitution reaction in a dark room. He found that the reaction was not succeed.
Give your reason.
Namakan sebatian P
Name compound P
Dalam tindak balas I, sebatian P ditindakbalaskan dengan
wap air untuk menghasilkan sebatian R.
In reaction I, compound P is reacted with steam to produce compound R.
Nyatakan syarat-syarat bagi tindak balas I
State the conditions for reaction I
Phosphoric acid
temperature 300 degree C
Pressure 60 atm
Heat under reflux
Concentrated sulphuric acid
Sebatian R boleh bertukar semula kepada sebatian P
Compound R can turn back
to compound P
Namakan tindak balas yang berlaku
Name the reaction occurs.
Namakan hidrokarbon A
Name hydrocarbon A
Namakan hidrokarbon B
Name hydrocarbon B
Nyatakan fungsi kalium dikromat(VI) berasid.
State the function of acidified potassium dichromate(VI)
Proses I melibatkan penggunaan yis. Namakan Proses I
Process I involves the use of yeast. Name Process I
Sebatian X adalah bukan hidrokarbon. Jelaskan.
Compound X is a nonhydrocarbon compound. Explain.
Produce less soot
Have high melting and boiling points
Have other elements besides C and H in its compounds
Have isomers
Form carbon dioxide and water upon combustion
Sebatian Y terbentuk apabila wap sebatian X dialirkan melalui serpihan proselin yang panas dalam Proses II.
Compound Y is formed when the vapour of compound X is passed over heated porcelain chips in Process II.
Tuliskan formula am bagi siri homolog sebatian Y
Write the general formula for the homologous series of compound Y
Namakan sebatian X
Name compound X
Bahan Z membebaskan gas karbon dioksida apabila kalsium karbonat dicampur kepadanya. Apakah maksudnya?
Compound Z liberates carbon dioxide gas when calcium carbonate is added to it. What does it mean?
Kenalpasti asid karboksilik yang digunakan dalam proses IV
Identify the carboxylic acid that is used in process IV.
Kenalpasti alcohol yang digunakan dalam proses IV
Identify the alcohol that is used in process IV.
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