1
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which one of the following chemicals is responsible for the production of HCl in the stomach leading to irritation and pain?
A
JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Chemistry in Everyday Life Question 44 English Option 1
B
JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Chemistry in Everyday Life Question 44 English Option 2
C
JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Chemistry in Everyday Life Question 44 English Option 3
D
JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Chemistry in Everyday Life Question 44 English Option 4
2
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The oxide that gives H2O2 most readily on treatment with H2O is :
A
PbO2
B
Na2O2
C
SnO2
D
BaO2 . 8H2O
3
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following reactions will not yield propionic acid?
A
CH3CH2COCH3 + OI$$-$$/H3O+
B
CH3CH2CH3 + KMnO4(Heat), OH$$-$$/H3O+
C
CH3CH2CCl3 + OH$$-$$/H3O+
D
CH3CH2CH2Br + Mg, CO2 dry ether/H3O+
4
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct order of ionic radii for the ions, P3$$-$$, S2$$-$$, Ca2+, K+, Cl$$-$$ is :
A
P3$$-$$ > S2$$-$$ > Cl$$-$$ > K+ > Ca2+
B
Cl$$-$$ > S2$$-$$ > P3$$-$$ > Ca2+ > K+
C
P3$$-$$ > S2$$-$$ > Cl$$-$$ > Ca2+ > K+
D
K+ > Ca2+ > P3$$-$$ > S2$$-$$ > Cl$$-$$
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