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JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
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Out of Syllabus
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In the leaching of alumina from bauxite, the ore expected to leach out in the process by reacting with NaOH is :
A
TiO2
B
Fe2O3
C
ZnO
D
SiO2
2
JEE Main 2021 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
An organic compound 'A' C4H8 on treatment with KMnO4/H+ yields compound 'B' C3H6O.

Compound 'A' also yields compound 'B' an ozonolysis. Compound 'A' is :
A
2-Methylpropene
B
1-Methylcyclopropane
C
But-2-ene
D
Cyclobutane
3
JEE Main 2021 (Online) 25th July Morning Shift
Numerical
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-1
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The number of sigma bonds in

JEE Main 2021 (Online) 25th July Morning Shift Chemistry - Hydrocarbons Question 49 English
is _______________.
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4
JEE Main 2021 (Online) 25th July Morning Shift
Numerical
+4
-1
Change Language
Three moles of AgCl get precipitated when one mole of an octahedral co-ordination compound with empirical formula CrCl3.3NH3.3H2O reacts with excess of silver nitrate. The number of chloride ions satisfying the secondary valency of the metal ion is ______________.
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