CHEMISTRY - OHD 1010-2Test #2Chapters XXXXXXXXXXpoints)(20 pt) 1. Write structural formulae for the...

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CHEMISTRY - OHD 1010-2Test #2Chapters XXXXXXXXXXpoints)(20 pt)  1. Write structural formulae for the following compounds and indicate which chemical group they belong to (alkane, alkene, aromatic hydrocarbon, organic halide, alcohol, phenol, ester, ether, aldehyde, ketone, carboxylic acid, amine or amide).(2 marks each) 	 		 			No. 			Name 			Structure 			Chemical Group 		 	 	 		 			a. 			n-butane 			 			 		 		 			b. 			propanol 			 			 		 		 			c. 			formaldehyde 			 			 		 		 			d. 			2, 3, 5-trinitrotoluene 			 			 		 		 			e. 			carbon tetrabromide 			 			 		 		 			f. 			Acetic acid 			 			 		 		 			g. 			Dimethyl ether 			 			 		 		 			h. 			3-hexene 			 			 		 		 			i. 			1, 2, 4-tribromobenzene 			 			 		 		 			j. 			3, 3-dimethyl-1-pentene 			 			 		 	  (20 pts) 2. Write correct names for the following: (2 marks each) 	 		 			a. 			 			 		 		 			b. 			 			 		 		 			c. 			CH3CH2CH2CH2CH2OH 			 		 		 			d. 			CH3 CH2CH=CHCH2CH3 			 		 		 			e. 			 			 		 		 			f. 			 			 		 		 			g. 			 			 		 		 			h. 			 			 		 		 			i. 			 			 		 		 			j. 			 			 		 	  (4 pts) 3. Compare the reactivity of alkenes and alkynes by discussing the difference in structures that makes these two classes react differently. (2 marks each)a) Alkenes: ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________b) Alkynes: ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________(6 pts)  4. Write a balanced equation for the reaction with bromine (Br2) under suitable conditions, of: (3 marks each)a) propaneb) propene(2 pts) 5. Give two health hazards associated with the repeated exposure to alkanes.____________________________________________________________________________________________________________________________________________(5 pts) 6. a) What is an isomer? (1 mark)__________________________________________________________________________________________________________________________________________________________________________________________________________________ 	Give the general formula for alkanes. (1 mark)   Show that propane fits the formula. (1 mark)c) Write structural formulae for all the possible isomers of propane. (2 marks)(3 pts) 7. Describe the shape of the methane molecule.(1 mark)In terms of electron repulsion, explain why methane is this particular shape. (2 marks)__________________________________________________________________________________________________________________________________________________________________________________________________________________   List of the Elements with Their Symbols, Atomic Numbers, and Atomic Masses** Approximate atomic masses for radioactive elements are given in parentheses.  	 		 			Element 			Symbol 			AtomicNumber 			AtomicMass 			Element 			Symbol 			AtomicNumber 			AtomicMass 		 		 			Actinium 			Ac 			89 			(227) 			Mendelevium 			Md 			101 			(256) 		 		 			Aluminum 			Al 			13 			 XXXXXXXXXX 			Mercury 			Hg 			80 			200.59 		 		 			Americium 			Am 			95 			(243) 			Molybdenum 			Mo 			42 			95.94 		 		 			Antimony 			Sb 			51 			121.760 			Neodymium 			Nd 			60 			144.24 		 		 			Argon 			Ar 			18 			39.948 			Neon 			Ne 			10 			20.1797 		 		 			Arsenic 			As 			33 			 XXXXXXXXXX 			Neptunium 			Np 			93 			(237) 		 		 			Astatine 			At 			85 			(210) 			Nickel 			Ni 			28 			58.6934 		 		 			Barium 			Ba 			56 			137.327 			Niobium 			Nb 			41 			 XXXXXXXXXX 		 		 			Berkelium 			Bk 			97 			(247) 			Nitrogen 			N 			7 			 XXXXXXXXXX 		 		 			Beryllium 			Be 			4 			 XXXXXXXXXX 			Nobelium 			No 			102 			(253) 		 		 			Bismuth 			Bi 			83 			 XXXXXXXXXX 			Osmium 			Os 			76 			190.23 		 		 			Bohrium 			Bh 			107 			(262) 			Oxygen 			O 			8 			15.9994 		 		 			Boron 			B 			5 			10.811 			Palladium 			Pd 			46 			106.42 		 		 			Bromine 			Br 			35 			79.904 			Phosphorous 			P 			15 			 XXXXXXXXXX 		 		 			Cadmium 			Cd 			48 			112.411 			Platinum 			Pt 			78 			195.078 		 		 			Calcium 			Ca 			20 			40.078 			Plutonium 			Pu 			94 			(242) 		 		 			Californium 			Cf 			98 			(249) 			Polonium 			Po 			84 			(210) 		 		 			Carbon 			C 			6 			12.0107 			Potassium 			K 			19 			39.0983 		 		 			Cerium 			Ce 			58 			140.116 			Praseodymium 			Pr 			59 			 XXXXXXXXXX 		 		 			Cesium 			Cs 			55 			 XXXXXXXXXX 			Promethium 			Pm 			61 			(147) 		 		 			Chlorine 			Cl 			17 			35.4527 			Protactinium 			Pa 			91 			 XXXXXXXXXX 		 		 			Chromium 			Cr 			24 			51.9961 			Radium 			Ra 			88 			(226) 		 		 			Cobalt 			Co 			27 			 XXXXXXXXXX 			Radon 			Rn 			86 			(222) 		 		 			Copper 			Cu 			29 			63.546 			Rhenium 			Re 			75 			186.207 		 		 			Curium 			Cm 			96 			(247) 			Rhodium 			Rh 			45 			 XXXXXXXXXX 		 		 			Dubnium 			Db 			105 			(260) 			Rubidium 			Rb 			37 			85.4678 		 		 			Dysprosium 			Dy 			66 			162.50 			Ruthenium 			Ru 			44 			101.07 		 		 			Einsteinium 			Es 			99 			(254) 			Rutherfordium 			Rf 			104 			(257) 		 		 			Erbium 			Er 			68 			167.26 			Samarium 			Sm 			62 			150.36 		 		 			Europium 			Eu 			63 			151.964 			Scandium 			Sc 			21 			 XXXXXXXXXX 		 		 			Fermium 			Fm 			100 			(253) 			Seaborgium 			Sg 			106 			(263) 		 		 			Fluorine 			F 			9 			 XXXXXXXXXX 			Selenium 			Se 			34 			78.96 		 		 			Francium 			Fr 			87 			(223) 			Silicon 			Si 			14 			28.0855 		 		 			Gadolinium 			Gd 			64 			157.25 			Silver 			Ag 			47 			 XXXXXXXXXX 		 		 			Gallium 			Ga 			31 			69.723 			Sodium 			Na 			11 			 XXXXXXXXXX 		 		 			Germanium 			Ge 			32 			72.61 			Strontium 			Sr 			38 			87.62 		 		 			Gold 			Au 			79 			 XXXXXXXXXX 			Sulfur 			S 			16 			32.066 		 		 			Hafnium 			Hf 			72 			178.49 			Tantalum 			Ta 			73 			 XXXXXXXXXX 		 		 			Hassiuim 			Hs 			108 			(265) 			Technetium 			Tc 			43 			(99) 		 		 			Helium 			He 			2 			 XXXXXXXXXX 			Tellurium 			Te 			52 			127.60 		 		 			Holmium 			Ho 			67 			 XXXXXXXXXX 			Terbium 			Tb 			65 			 XXXXXXXXXX 		 		 			Hydrogen 			H 			1 			1.00794 			Thallium 			Tl 			81 			 XXXXXXXXXX 		 		 			Indium 			In 			49 			114.818 			Thorium 			Th 			90 			 XXXXXXXXXX 		 		 			Iodine 			I 			53 			 XXXXXXXXXX 			Thulium 			Tm 			69 			 XXXXXXXXXX 		 		 			Iridium 			Ir 			77 			192.217 			Tin 			Sn 			50 			118.710 		 		 			Iron 			Fe 			26 			55.845 			Titanium 			Ti 			22 			47.867 		 		 			Krypton 			Kr 			36 			83.80 			Tungsten 			W 			74 			183.84 		 		 			Lanthanum 			La 			57 			 XXXXXXXXXX 			Uranium 			U 			92 			 XXXXXXXXXX 		 		 			Lawrencium 			Lr 			103 			(257) 			Vanadium 			V 			23 			50.9415 		 		 			Lead 			Pb 			82 			207.2 			Xenon 			Xe 			54 			131.29 		 		 			Lithium 			Li 			3 			6.941 			Ytterbium 			Yb 			70 			173.04 		 		 			Lutetium 			Lu 			71 			174.967 			Yttrium 			Y 			39 			 XXXXXXXXXX 		 		 			Magnesium 			Mg 			12 			24.3050 			Zinc 			Zn 			30 			65.39 		 		 			Manganese 			Mn 			25 			 XXXXXXXXXX 			Zirconium 			Zr 			40 			91.224 		 		 			Meitnerium 			Mt 			109 			(266)

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CHEMISTRY  - OHD 1010-2
 SEQ CHAPTER \h \r 1CHEMISTRY  - OHD 1010-2
Test #2
Chapters 5 - 8         (60 points)
(20 pt)
1.
Write structural formulae for the following compounds and indicate which chemical group they belong to (alkane, alkene, aromatic hydrocarbon, organic halide, alcohol, phenol, ester, ether, aldehyde, ketone, carboxylic acid, amine or amide). 
(2 marks each)
	No.
	Name
	Structure
	Chemical Group
	a.
	n-butane
	
CH3-CH2-CH2-CH3
	Alkane
	b.
	Propanol
	
CH3-CH2-CH2-OH
	alcohol
	c.
	Formaldehyde
	H-CHO
	Aldehyde
	d.
	2, 3, 5-trinitrotoluene
	
O
2
N
NO
2
NO
2
CH
3
	aromatic
	e.
	carbon tetrabromide
	CBr4
	halide
	f.
	Acetic acid
	CH3COOH
	Carboxylic acid
	g.
	Dimethyl ether
	CH3-O-CH3
	Ether
	h.
	3-hexene
	
CH3CH2CH=CHCH2CH3
	Alkene
	i.
	1, 2, 4-tribromobenzene
	
Br
Br
Br
	Aromatic halide
	j.
	3, 3-dimethyl-1-pentene
	
	Alkene
(20 pts)
2.
Write correct names for the following: (2 marks each)
	a.
	
	2-methylbutane
	b.
	
	Butanone
	c.
	CH3CH2CH2CH2CH2OH
	Penatn-1-ol OR 1-pentanol
	d.
	CH3 CH2CH=CHCH2CH3
	3-hexene
	e.
	
	1,2,3-tribromobenzene
	f.
	
	2,4,6-tribromotolune
	g.
	
	Benzoic acid
	h.
	
	3-phenylheptane
	i.
	
	Propanoic acid
	j.
	
	N,N-dimethylamine
(4 pts)
3.
Compare the reactivity of alkenes and alkynes by discussing the difference in structures that makes these two classes react differently. (2 marks each)
a) Alkenes: Alkenes have carbon- carbon double bond. The C atoms with double bonds are sp2 hybridised. They will be having a triagonal geometry. On reaction with hydrogen, they add one mole of H2 to give alkanes.
b)
Alkynes:  Alkynes have carbon triple bond with participating C atoms with sp hybridisation. The geometry is linear. They takes two moles of H2 to give alkanes.
(6 pts) 
4.
Write a balanced equation for the reaction with bromine (Br2) under suitable conditions, of:

CHEMISTRY - OHD 1010-2 Test #2 Chapters XXXXXXXXXXpoints) (20 pt) 1. Write structural formulae for the following compounds and indicate which chemical group they belong to (alkane, alkene, aromatic...

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No.	*Name*	*Structure*	*Chemical Group*
a.	n-butane
b.	propanol
c.	formaldehyde
d.	2, 3, 5-trinitrotoluene
e.	carbon tetrabromide
f.	Acetic acid
g.	Dimethyl ether
h.	3-hexene
i.	1, 2, 4-tribromobenzene
j.	3, 3-dimethyl-1-pentene

a.
b.
c.	CH₃CH₂CH₂CH₂CH₂OH
d.	CH₃ CH₂CH=CHCH₂CH₃
e.
f.
g.
h.
i.
j.

Element	Symbol	Atomic Number	Atomic Mass	Element	Symbol	Atomic Number	Atomic Mass
Actinium	Ac	89	(227)	Mendelevium	Md	101	(256)
Aluminum	Al	13	XXXXXXXXXX	Mercury	Hg	80	200.59
Americium	Am	95	(243)	Molybdenum	Mo	42	95.94
Antimony	Sb	51	121.760	Neodymium	Nd	60	144.24
Argon	Ar	18	39.948	Neon	Ne	10	20.1797
Arsenic	As	33	XXXXXXXXXX	Neptunium	Np	93	(237)
Astatine	At	85	(210)	Nickel	Ni	28	58.6934
Barium	Ba	56	137.327	Niobium	Nb	41	XXXXXXXXXX
Berkelium	Bk	97	(247)	Nitrogen	N	7	XXXXXXXXXX
Beryllium	Be	4	XXXXXXXXXX	Nobelium	No	102	(253)
Bismuth	Bi	83	XXXXXXXXXX	Osmium	Os	76	190.23
Bohrium	Bh	107	(262)	Oxygen	O	8	15.9994
Boron	B	5	10.811	Palladium	Pd	46	106.42
Bromine	Br	35	79.904	Phosphorous	P	15	XXXXXXXXXX
Cadmium	Cd	48	112.411	Platinum	Pt	78	195.078
Calcium	Ca	20	40.078	Plutonium	Pu	94	(242)
Californium	Cf	98	(249)	Polonium	Po	84	(210)
Carbon	C	6	12.0107	Potassium	K	19	39.0983
Cerium	Ce	58	140.116	Praseodymium	Pr	59	XXXXXXXXXX
Cesium	Cs	55	XXXXXXXXXX	Promethium	Pm	61	(147)
Chlorine	Cl	17	35.4527	Protactinium	Pa	91	XXXXXXXXXX
Chromium	Cr	24	51.9961	Radium	Ra	88	(226)
Cobalt	Co	27	XXXXXXXXXX	Radon	Rn	86	(222)
Copper	Cu	29	63.546	Rhenium	Re	75	186.207
Curium	Cm	96	(247)	Rhodium	Rh	45	XXXXXXXXXX
Dubnium	Db	105	(260)	Rubidium	Rb	37	85.4678
Dysprosium	Dy	66	162.50	Ruthenium	Ru	44	101.07
Einsteinium	Es	99	(254)	Rutherfordium	Rf	104	(257)
Erbium	Er	68	167.26	Samarium	Sm	62	150.36
Europium	Eu	63	151.964	Scandium	Sc	21	XXXXXXXXXX
Fermium	Fm	100	(253)	Seaborgium	Sg	106	(263)
Fluorine	F	9	XXXXXXXXXX	Selenium	Se	34	78.96
Francium	Fr	87	(223)	Silicon	Si	14	28.0855
Gadolinium	Gd	64	157.25	Silver	Ag	47	XXXXXXXXXX
Gallium	Ga	31	69.723	Sodium	Na	11	XXXXXXXXXX
Germanium	Ge	32	72.61	Strontium	Sr	38	87.62
Gold	Au	79	XXXXXXXXXX	Sulfur	S	16	32.066
Hafnium	Hf	72	178.49	Tantalum	Ta	73	XXXXXXXXXX
Hassiuim	Hs	108	(265)	Technetium	Tc	43	(99)
Helium	He	2	XXXXXXXXXX	Tellurium	Te	52	127.60
Holmium	Ho	67	XXXXXXXXXX	Terbium	Tb	65	XXXXXXXXXX
Hydrogen	H	1	1.00794	Thallium	Tl	81	XXXXXXXXXX
Indium	In	49	114.818	Thorium	Th	90	XXXXXXXXXX
Iodine	I	53	XXXXXXXXXX	Thulium	Tm	69	XXXXXXXXXX
Iridium	Ir	77	192.217	Tin	Sn	50	118.710
Iron	Fe	26	55.845	Titanium	Ti	22	47.867
Krypton	Kr	36	83.80	Tungsten	W	74	183.84
Lanthanum	La	57	XXXXXXXXXX	Uranium	U	92	XXXXXXXXXX
Lawrencium	Lr	103	(257)	Vanadium	V	23	50.9415
Lead	Pb	82	207.2	Xenon	Xe	54	131.29
Lithium	Li	3	6.941	Ytterbium	Yb	70	173.04
Lutetium	Lu	71	174.967	Yttrium	Y	39	XXXXXXXXXX
Magnesium	Mg	12	24.3050	Zinc	Zn	30	65.39
Manganese	Mn	25	XXXXXXXXXX	Zirconium	Zr	40	91.224
Meitnerium	Mt	109	(266)