1
JEE Main 2022 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

The geometry around boron in the product 'B' formed from the following reaction is

$$ \begin{aligned} &\mathrm{BF}_{3}+\mathrm{NaH} \stackrel{450 \mathrm{~K}}{\rightarrow} \mathrm{A}+\mathrm{NaF} \\\\ &\mathrm{A}+\mathrm{NMe}_{3} \rightarrow \mathrm{B} \end{aligned} $$

A
trigonal planar
B
tetrahedral
C
pyramidal
D
square planar
2
JEE Main 2022 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

The interhalogen compound formed from the reaction of bromine with excess of fluorine is a :

A
hypohalite
B
halate
C
perhalate
D
halite
3
JEE Main 2022 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

The photochemical smog does not generally contain :

A
NO
B
NO2
C
SO2
D
HCHO
4
JEE Main 2022 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A compound ‘$$\mathrm{A}$$’ on reaction with ‘$$\mathrm{X}$$’ and ‘$$\mathrm{Y}$$’ produces the same major product but different by product '$$a$$' and '$$b^{\prime}$$. Oxidation of '$$a$$' gives a substance produced by ants.

JEE Main 2022 (Online) 25th July Morning Shift Chemistry - Hydrocarbons Question 35 English

'X' and 'Y' respectively are

A
$$\mathrm{KMnO}_{4} / \mathrm{H}^{+}$$ and dil. $$\mathrm{KMnO}_{4^{\prime}} \,273 \mathrm{~K}$$
B
$$\mathrm{KMnO}_{4}$$ (dilute), $$273 \mathrm{~K}$$ and $$\mathrm{KMnO}_{4} / \mathrm{H}^{+}$$
C
$$\mathrm{KMnO}_{4} / \mathrm{H}^{+}$$ and $$\mathrm{O}_{3}, \mathrm{H}_{2} \mathrm{O} / \mathrm{Zn}$$
D
$$\mathrm{O}_{3}, \mathrm{H}_{2} \mathrm{O} / \mathrm{Zn}$$ and $$\mathrm{KMnO}_{4} / \mathrm{H}^{+}$$
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