ppt f5 2010 paper 2
TRANSCRIPT
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SULIT
Chemistry
Paper 2May
2010
2 hours 30 minutes SMK SERI PERAK, PARIT BUNTAR
MID- YEAR EXAMINATION FORM 5 2010
CHEMISTRY
Paper 2
2 Hours and 30 minutes
DO NOT OPEN THIS BOOKLET UNTIL
INSTRUCTED TO DO SO
1. This question paper consists of 3 Sections
2. Answer question in section A in the space
provided
3. Answer question in section B and section C in
the foolscap paper
4. The diagram in the question provided are not
drawn to scale unless stated
5. You may use a non-programmable scientific
calculator
This uestion !onsists o" 1# printed pa$es
1
Untu% &e$unaan Pemeri%sa
'aha$ian Soa(an Mar%ah
A
1
2
3
4
5
#
B)
*
C+
10
,um(ah 'esar
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Secti! A
-"0 mars
Answer #$$ questions in this section.
1. /ia$ram 1 e(o shos the symo( "or atom o" e(ement L and M.
/IM 1
-a 6hat is the numer o" neutron in the nu!(eus in atom o" e(ement 7
88888888888888888..88888888888888..........
9 1 mar :
- -i 6rite the e(e!tron arran$ement "or atom o" e(ement L.
88888888888888888888888888888888....
9 1 mar :
-ii ;(ement o" L and M are p(a!ed in the same period in the Periodi! Ta(e. State
the period and e
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-ii /ra the dia$ram o" e(e!tron arran$ement "or the !ompound "ormed in -! -i.
9 2 mars:
-d ;(ement o" L and M a(so "ormed a !ompound. State a physi!a( property "or the
!ompound.
88888888888888888888888888888.888..9 1 mar :
-e 6rite the !hemi!a( euation "or the rea!tion o!!ur eteen e(ement o" L and M.
88888888888888888888888888.888888..
9 1 mar :
2. 50 !m3 o" su(phuri! a!id 1 mo( dm=3 and a "e drops o" pheno(phtha(ein is added into a
!oni!a( "(as%. Potassium hydro
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-! 6hat is the !o(our !han$e in the !oni!a( "(as% hen the end point is a!hie>ed.
................................................................................................................................888....
9 1 mar :
-d -i /etermine the numer o" mo( o" su(phuri! a!id used in the e
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-e The e
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-a
&i' Ca(!u(ate the empiri!a( "ormu(a o" sustan!e %.Use the in"ormation atomi! mass re(ati>eA H 1B C 12B @1#
9 2 mars:
&ii' /etermine the mo(e!u(ar "ormu(a "or sustan!e %(
9 2 mars:
&iii' /ra the stru!tura( "ormu(a "or sustan!e %.
9 1 mar :
#
Sustan!e % has re(ati>e mo(e!u(ar mass 4#.
Composition o" e(ement a!!ordin$ to mass as "o((oACaron 52.2
Hydro$en 13.0
@
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- Sustan!e & C2H4 produ!ed throu$h Pro!ess I is added ith romine ater in a test
tue. State the oser>ation in the test tue.
8888888888888888888888888888888........
9 1 mar :
-! -i Dame the type o" rea!tion in Pro!ess II.
88888888888888888888888888888888...9 1 mar :
-ii 6rite the !hemi!a( euation "or the rea!tion o!!ur in the Pro!ess II.
88888888888888888888888888888888...
9 1 mar :
-d State a !hemi!a( property "or !ompound L.
888888888888888888888888888888888
9 1 mar :
-e State a spe!ia( !hara!teristi! o" sustan!e M produ!ed in Pro!ess III.
888888888888888888888888888888889 1 mar :
4. /ia$ram 3 shos the set=up o" apparatus o" a !hemi!a( !e((.
-a 6hat is the "un!tion o" the porous pot7
....................................................................................................................................
91 mar :
)
Copper p(ateEin! p(ate
Copper-II su(phate so(ution
Ein! su(phate so(ution Porous pot
/IM 3
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- 6hat is the ener$y !han$e that o!!urs in the !e((7
8888888888888888888888888888888........91 mar :
-! State hi!h meta( p(ate a!ts as the
ne$ati>e termina( A
888888888888888888888888888........................
positi>e termina( A
888888888888888888888888888........................
91 mar :
-d 6rite the ha(" euation o" the rea!tion at the
ne$ati>e termina( A
888888888888888888888888888........................
91 mar :
positi>e termina( A
888888888888888888888888888........................
91 mar :
-e 6hat is the !o(our !han$e o" the !opper -II su(phate so(ution7 ;
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5. Ta(e 1 shos "our types o" sa(ts.
6ith re"eren!e to the sa(ts $i>en ao>e anser the "o((oin$ uestion A
-a 6rite the !hemi!a( "ormu(a o" sodium !aronate.
....................................................................................................................................
91 mar :
- Dame the sa(t hi!h is inso(u(e in ater.
.................................................................................................................................... 91 mar :
-! -i 6hat is oser>ed hen Fin! nitrate sa(t is heated.
........................................................................................................................
91 mar :
-ii 6rite the !hemi!a( euation to represent the rea!tion.
........................................................................................................................92 mars:
-d State the type o" rea!tion in the preparation o" (ead -II !h(oride sa(t.
....................................................................................................................................
91 mar :
-e /es!rie ho to >eri"y !opper-II ion and su(phate ion in !opper-II su(phate so(ution.
Copper-II ion A
.................................................................................................................................
.................................................................................................................................
+
Sodium !aronate
Ein! nitrate
Lead-II !h(orideCopper-II su(phate
T'L; 1
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Su(phate ion A
..................................................................................................................................
...................................................................................................................................
94 mars:
#. /ia$ram 4 shos the steps in>o(>ed in the industria( pro!ess in manu"a!turin$ ammonia
/IM 4
-a Dame this industria( pro!ess
88888888888888888888888888888888..
9 1 mar :
- State the pressure and the !ata(yst used in the rea!tion.
88888888888888888888888888888888..
9 2 mars:
-! 6rite an euation "or the rea!tion in the !ata(yst !hamer.
G
88888888888888888888888888888888..9 2 mars:
-d State !e use o" ammonia
88888888888888888888888888888888..
88888888888888888888888888888888..9 1 mars:
10
Ditro$en
Hydro$en
CompressedCata(yst
!hamer mmonia
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-e
-i 6hat is the e(ement added to iron in the ma%in$ o" stee(.
888888888888888888888888888888
9 1 mar :
-ii ;
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-20 mars
Answer any !e question!The time suggested to answer this section is 3" minutes.
). Ta(e 2 shos the mo(e!u(ar "ormu(a and heat o" !omustion o" three types o" a(!oho(.
A$c)$ M$ec*$#+ +*$# Heat of combustion
&.% $ -1'
Methano( CH3@H )25
;thano( C2H5@H 1 3)#
Propan=1=o( C3H)@H 2 015
T'L; 2
-a -i 6hat is the meanin$ o" the heat o" !omustion o" an a(!oho(7 9 1 mar :
-ii ;a(ue o" heat o" !omustion o" the
a(!oho(s in Ta(e 10.9 3 mars:
- /es!rie an e
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*. Ta(e 3 shos the e(e!tron arran$ement o" atom o" e(ement K and E.
E$ee!t E$ect+! #++#!/ee!t
KE
2.*.2
2.*.42.*.)
T'L; 3
-a State the Period o" the e(ements K and E in the Periodi! Ta(e7;
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920 mars:
Answer any one question!The time suggested to answer this section is 3" minutes
+. -a 'y !hoosin$ a type o" unsaturated hydro!aron as an e
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in"(uen!in$ the rate o" rea!tion. Ta(e 4 shos the resu(ts o" the e
berlebihan
5 minutes
1 $ ma$nesium rion
1$ pita magnesium
Hydro!h(ori! a!id 0.5 mo( dm=3
in e
acid hidrolori "!$ mol dm-3
berlebihan
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94 mars:
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-i /es!rie ho you !an !arry out an e