MEDIUM
JEE Main
IMPORTANT
Earn 100

Diborane reacts independently with and to produce, respectively:
(a) and
(b) and
(c) and
(d) and

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Important Questions on The p-Block Elements
MEDIUM
JEE Main
IMPORTANT
When metal is treated with , a white gelatinous precipitate is obtained, which is soluble in excess of . Compound when heated strongly gives an oxide which is used in chromatography as an adsorbent. The metal is

MEDIUM
JEE Main
IMPORTANT
The compound that does not produce nitrogen gas by thermal decomposition is:

MEDIUM
JEE Main
IMPORTANT
The number of and bonds present in peroxodisulphuric acid and pyrosulphuric acid respectively are:

MEDIUM
JEE Main
IMPORTANT
In the following reactions, products and , respectively, are:

HARD
JEE Main
IMPORTANT
The ammonia released on quantitative reaction of urea with sodium hydroxide can be neutralized by

EASY
JEE Main
IMPORTANT
The electron gain enthalpy (in ) of fluorine, chlorine, bromine and iodine, respectively, are

HARD
JEE Main
IMPORTANT
Chlorine reacts with hot and concentrated and produces compounds and . Compound gives white precipitate with silver nitrate solution. The average bond order between and atoms in is _______________.

MEDIUM
JEE Main
IMPORTANT
Which of the following is wrong statement?
