Benzene and methylbenzene
Trichloromethane and tetrachloromethane
Ethanol and propane
But-1-ene and but-2-ene
Explanation
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From the definition below of isomerism and the two images below, you will see that @Myschool answer is correct
Answer: D. But-1-ene and but-2-ene
Explanation: Though they have different structure but the same molecular formula
*WORDS WITH ANTONYMS FOR 2026 JAMB ENGLISH*✅️
1. Abandon – keep, retain, hold
2. Abbreviate – lengthen, expand, extend
3. Ability – inability, incapacity, weakness
4. Able – unable, incapable, incompetent
5. Abolish – establish, create, institute
6. Abundant – scarce, rare, insufficient
7. Accept – reject, refuse, decline
8. Accessible – inaccessible, remote, unreachable
9. Accord – disagreement, conflict, discord
10. Accurate – inaccurate, wrong, incorrect
11. Accuse – defend, absolve, exonerate
12. Achieve – fail, lose, miss
13. Acknowledge – ignore, deny, disregard
14. Active – inactive, idle, lazy
15. Actual – imaginary, fictional, unreal
16. Acute – chronic, dull, mild
17. Adamant – flexible, yielding, soft
18. Add – subtract, remove, deduct
19. Adept – clumsy, inept, unskilled
20. Adequate – inadequate, insufficient, poor
21. Adhere – separate, detach, loosen
22. Adjacent – distant, far, remote
23. Adjourn – continue, begin, start
24. Admire – despise, hate, scorn
25. Admit – deny, exclude, reject
26. Adopt – abandon, reject, renounce
27. Adore – hate, detest, loathe
28. Adroit – clumsy, awkward, inept
29. Adulterate – purify, refine, cleanse
30. Advance – retreat, withdraw, regress
31. Advantage – disadvantage, drawback, harm
32. Advent – departure, end, finish
33. Adverse – favourable, helpful, beneficial
34. Advise – deceive, mislead, dissuade
35. Advocate – oppose, criticise, denounce
36. Affable – unfriendly, rude, hostile
37. Affirm – deny, contradict, refute
38. Affluent – poor, impoverished, needy
39. Aggravate – relieve, soothe, calm
40. Agile – clumsy, stiff, sluggish
41. Agree – disagree, argue, differ
42. Alert – drowsy, inattentive, unaware
43. Align – disalign, disorder, confuse
44. Alive – dead, lifeless, deceased
45. All – none, nothing, zero
46. Allay – aggravate, intensify, increase
47. Alleviate – worsen, intensify, aggravate
48. Allocate – withhold, keep, retain
49. Allow – forbid, prohibit, prevent
50. Ally – enemy, foe, opponent
51. Alone – together, accompanied, with
52. Aloof – friendly, sociable, approachable
53. Alter – preserve, keep, maintain
54. Altruistic – selfish, greedy, egotistical
55. Amateur – professional, expert, skilled
56. Ambitious – unambitious, lazy, indifferent
57. Ameliorate – worsen, deteriorate, degrade
58. Amenable – uncooperative, resistant, stubborn
59. Amiable – unfriendly, hostile, cold
60. Amicable – hostile, unfriendly, bitter
61. Ample – insufficient, meagre, scant
62. Amuse – bore, tire, weary
63. Ancient – modern, new, recent
64. Anger – calm, peace, happiness
65. Animate – deaden, kill, dull
66. Annihilate – create, preserve, build
67. Anomaly – normality, regularity, standard
68. Anonymous – known, named, identified
69. Answer – question, ask, inquire
70. Antagonise – pacify, calm, soothe
71. Antic – serious, solemn, grave
72. Anticipate – be surprised, doubt, wonder
73. Antipathy – liking, love, affection
74. Antiquated – modern, new, current
75. Anxiety – calmness, peace, serenity
76. Apathetic – passionate, eager, enthusiastic
77. Apologise – insult, offend, blame
78. Apparent – unclear, hidden, obscure
79. Appeal – repel, discourage, disinterest
80. Appear – disappear, vanish, hide
81. Appease – provoke, anger, aggravate
82. Appetite – disgust, aversion, indifference
83. Applaud – boo, criticise, jeer
84. Apply – remove, take off, neglect
85. Appoint – dismiss, fire, remove
86. Appreciate – depreciate, despise, scorn
87. Apprehend – release, free, misunderstand
88. Approach – leave, retreat, withdraw
89. Approve – disapprove, reject, oppose
90. Approximate – exact, precise, accurate
91. Apt – inappropriate, unsuited, unfit
92. Arbitrary – reasoned, logical, consistent
93. Ardent – indifferent, apathetic, cold
94. Arduous – easy, simple, effortless
95. Arise – disappear, end, settle
96. Arraign – acquit, exonerate, free
97. Arrogant – humble, modest, meek
98. Artful – artless, naive, clumsy
99. Artificial – natural, genuine, real
100. Ascend – descend, fall, drop
101. Ascertain – guess, assume, overlook
102. Ascetic – indulgent, luxurious, hedonistic
103. Ask – answer, reply, respond
104. Aspire – despair, give up, abandon
105. Assail – defend, protect, shield
106. Assemble – disperse, scatter, separate
107. Assert – deny, contradict, refute
108. Assess – guess, ignore, neglect
109. Assign – keep, retain, withhold
110. Assist – hinder, obstruct, impede
111. Assorted – uniform, identical, same
112. Assume – know, prove, verify
113. Assure – alarm, worry, frighten
114. Astonish – bore, calm, expect
115. Astute – stupid, naive, f**lish
116. Attach – detach, remove, separate
117. Attack – defend, protect, guard
118. Attain – lose, fail, miss
119. Attend – ignore, neglect, skip
120. Attentive – inattentive, distracted, careless
121. Attract – repel, deter, discourage
122. Audacious – timid, cautious, cowardly
123. Augment – reduce, decrease, diminish
124. Auspicious – unfavourable, ominous, inauspicious
125. Austere – luxurious, indulgent, ornate
126. Authentic – fake, counterfeit, false
127. Authorise – forbid, prohibit, ban
128. Autonomous – dependent, subjugated, controlled
129. Available – unavailable, taken, occupied
130. Avaricious – generous, charitable, giving
131. Avenge – forgive, pardon, overlook
132. Averse – eager, willing, desirous
133. Avoid – seek, face, confront
134. Awake – asleep, unconscious, sleeping
135. Award – forfeit, lose, deprive
136. Aware – unaware, ignorant, oblivious
137. Awkward – graceful, smooth, easy
138. Backward – forward, advanced, progressive
139. Bad – good, excellent, virtuous
140. Baffle – clarify, explain, enlighten
141. Bald – hairy, covered, lush
142. Banal – original, fresh, novel
143. Barren – fertile, productive, rich
144. Bashful – confident, bold, outgoing
145. Beautiful – ugly, hideous, unattractive
146. Begin – end, finish, conclude
147. Belated – early, prompt, timely
148. Believe – doubt, disbelieve, distrust
149. Belittle – praise, compliment, exalt
150. Belligerent – peaceful, friendly, calm
*REACT, FORWARD AND SHARE TO EVERYONE 🔥 ❤️ 💯 ✅ FOLLOW FOR MORE*
*WORDS WITH ANTONYMS FOR 2026 JAB ENGLISH*✅️
1. Abandon – keep, retain, hold
2. Abbreviate – lengthen, expand, extend
3. Ability – inability, incapacity, weakness
4. Able – unable, incapable, incompetent
5. Abolish – establish, create, institute
6. Abundant – scarce, rare, insufficient
7. Accept – reject, refuse, decline
8. Accessible – inaccessible, remote, unreachable
9. Accord – disagreement, conflict, discord
10. Accurate – inaccurate, wrong, incorrect
11. Accuse – defend, absolve, exonerate
12. Achieve – fail, lose, miss
13. Acknowledge – ignore, deny, disregard
14. Active – inactive, idle, lazy
15. Actual – imaginary, fictional, unreal
16. Acute – chronic, dull, mild
17. Adamant – flexible, yielding, soft
18. Add – subtract, remove, deduct
19. Adept – clumsy, inept, unskilled
20. Adequate – inadequate, insufficient, poor
21. Adhere – separate, detach, loosen
22. Adjacent – distant, far, remote
23. Adjourn – continue, begin, start
24. Admire – despise, hate, scorn
25. Admit – deny, exclude, reject
26. Adopt – abandon, reject, renounce
27. Adore – hate, detest, loathe
28. Adroit – clumsy, awkward, inept
29. Adulterate – purify, refine, cleanse
30. Advance – retreat, withdraw, regress
31. Advantage – disadvantage, drawback, harm
32. Advent – departure, end, finish
33. Adverse – favourable, helpful, beneficial
34. Advise – deceive, mislead, dissuade
35. Advocate – oppose, criticise, denounce
36. Affable – unfriendly, rude, hostile
37. Affirm – deny, contradict, refute
38. Affluent – poor, impoverished, needy
39. Aggravate – relieve, soothe, calm
40. Agile – clumsy, stiff, sluggish
41. Agree – disagree, argue, differ
42. Alert – drowsy, inattentive, unaware
43. Align – disalign, disorder, confuse
44. Alive – dead, lifeless, deceased
45. All – none, nothing, zero
46. Allay – aggravate, intensify, increase
47. Alleviate – worsen, intensify, aggravate
48. Allocate – withhold, keep, retain
49. Allow – forbid, prohibit, prevent
50. Ally – enemy, foe, opponent
51. Alone – together, accompanied, with
52. Aloof – friendly, sociable, approachable
53. Alter – preserve, keep, maintain
54. Altruistic – selfish, greedy, egotistical
55. Amateur – professional, expert, skilled
56. Ambitious – &, give up, abandon
105. Assail – defend, protect, shield
106. Assemble – disperse, scatter, separate
107. Assert – deny, contradict, refute
108. Assess – guess, ignore, neglect
109. Assign – keep, retain, withhold
110. Assist – hinder, obstruct, impede
111. Assorted – uniform, identical, same
112. Assume – know, prove, verify
113. Assure – alarm, worry, frighten
114. Astonish – bore, calm, expect
115. Astute – stupid, naive, f**lish
116. Attach – detach, remove, separate
117. Attack – defend, protect, guard
118. Attain – lose, fail, miss
119. Attend – ignore, neglect, skip
120. Attentive – inattentive, distracted, careless
121. Attract – repel, deter, discourage
122. Audacious – timid, cautious, cowardly
123. Augment – reduce, decrease, diminish
124. Auspicious – unfavourable, ominous, inauspicious
125. Austere – luxurious, indulgent, ornate
126. Authentic – fake, counterfeit, false
127. Authorise – forbid, prohibit, ban
128. Autonomous – dependent, subjugated, controlled
129. Available – unavailable, taken, occupied
130. Avaricious – generous, charitable, giving
131. Avenge – forgive, pardon, overlook
132. Averse – eager, willing, desirous
133. Avoid – seek, face, confront
134. Awake – asleep, unconscious, sleeping
135. Award – forfeit, lose, deprive
136. Aware – unaware, ignorant, oblivious
137. Awkward – graceful, smooth, easy
138. Backward – forward, advanced, progressive
139. Bad – good, excellent, virtuous
140. Baffle – clarify, explain, enlighten
141. Bald – hairy, covered, lush
142. Banal – original, fresh, novel
143. Barren – fertile, productive, rich
144. Bashful – confident, bold, outgoing
145. Beautiful – ugly, hideous, unattractive
146. Begin – end, finish, conclude
147. Belated – early, prompt, timely
148. Believe – doubt, disbelieve, distrust
149. Belittle – praise, compliment, exalt
150. Belligerent – peaceful, friendly, calm
*REACT, FORWARD AND SHARE TO EVERYONE 🔥 ❤️ 💯 ✅ FOLLOW FOR MORE*
