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1
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
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Which one among the following resonating structures is not correct?
A
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Basics of Organic Chemistry Question 129 English Option 1
B
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Basics of Organic Chemistry Question 129 English Option 2
C
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Basics of Organic Chemistry Question 129 English Option 3
D
JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Basics of Organic Chemistry Question 129 English Option 4
2
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Which purification technique is used for high boiling organic liquid compound (decomposes near its boiling point)?
A
Simple distillation
B
Steam ditillation
C
Fractional distillation
D
Reduced pressure distillation
3
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Which of the following compounds does not exhibit resonance?
A
CH3CH2OCH = CH2
B
JEE Main 2021 (Online) 22th July Evening Shift Chemistry - Basics of Organic Chemistry Question 133 English Option 2
C
CH3CH2CH2CONH2
D
CH3CH2CH = CHCH2NH2
4
JEE Main 2021 (Online) 22th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Which of the following molecules does not show stereo isomerism?
A
3, 4-Dimethylhex-3-ene
B
3-Methylhex-1-ene
C
3-Ethylhex-3-ene
D
4-Methylhex-1-ene
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