1
JEE Main 2022 (Online) 29th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Aqueous solution of which of the following boron compounds will be strongly basic in nature?

A
NaBH4
B
LiBH4
C
B2H6
D
Na2B4O7
2
JEE Main 2022 (Online) 29th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Sulphur dioxide is one of the components of polluted air. SO2 is also a major contributor to acid rain. The correct and complete reaction to represent acid rain caused by SO2 is

A
2SO2 + O2 $$\to$$ 2SO3
B
SO2 + O3 $$\to$$ SO3 + O2
C
SO2 + H2O2 $$\to$$ H2SO4
D
2SO2 + O2 + 2H2O $$\to$$ 2H2SO4
3
JEE Main 2022 (Online) 29th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A white precipitate was formed when BaCl2 was added to water extract of an inorganic salt. Further, a gas 'X' with characteristic odour was released when the formed white precipitate was dissolved in dilute HCl. The anion present in the inorganic salt is

A
I$$-$$
B
SO32$$-$$
C
S2$$-$$
D
NO2$$-$$
4
JEE Main 2022 (Online) 29th June Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The oxoacid of phosphorus that is easily obtained from a reaction of alkali and white phosphorus and has two P-H bonds, is :

A
Phosphonic acid
B
Phosphinic acid
C
Pyrophosphorus acid
D
Hypophosphoric acid
JEE Main Subjects
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEE
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Medical
NEET