MEDIUM
JEE Main
IMPORTANT
Earn 100

Arrange the following bonds according to their average bond energies in descending order:
(a)
(b)
(c)
(d)

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Important Questions on The p-Block Elements
HARD
JEE Main
IMPORTANT
White phosphorus on reaction with concentrated solution in an inert atmosphere of gives phosphine and compound on acidification with gives compound The basicity of compound is:

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JEE Main
IMPORTANT
The increasing order of the atomic radii of the following elements is:

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JEE Main
IMPORTANT
Diborane reacts independently with and to produce, respectively:

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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

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

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

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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
