MEDIUM
JEE Main
IMPORTANT
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Which of the following orders are incorrect according to the indicated property?
(a) (acidic strength of oxides of nitrogen)
(b) (acidic strength of
trioxides)
trioxides)
(c) (acidic strength of
pentoxides)
pentoxides)
(d) (bond angle)

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Important Questions on p-Block Group 15 (The Nitrogen Family)
HARD
JEE Main
IMPORTANT
Choose the correct statements.

HARD
JEE Main
IMPORTANT
Name three oxoacids of nitrogen. Write the disproportionation reaction of that oxoacid of nitrogen in which nitrogen is in oxidation state?

EASY
JEE Main
IMPORTANT
Give an example to show the effect of concentration of nitric acid on the formation of oxidation products.

HARD
JEE Main
IMPORTANT
On heating, compound gives a gas which is a constituent of air. This gas when treated with three moles of hydrogen in the presence of a catalyst gives another gas , which is basic in nature. Gas on further oxidation in moist condition, gives a compound , which is a part of acid rain. Identify the compounds to and also give necessary equations for all the steps involved.

HARD
JEE Main
IMPORTANT
A compound forms an unstable pale blue colour solution in water which rapidly decomposes even in the cold. The solution decolourise bromine water and an acidified solution of . It also oxidises in dilute solution. Identify it.

MEDIUM
JEE Main
IMPORTANT
A brown ring is formed in the ring test for ion. It is due to the formation of:

EASY
JEE Main
IMPORTANT
A black compound of manganese reacts with a halogen acid to give greenish-yellow gas. When an excess of this gas reacts with an unstable trihalide is formed. In this process, the oxidation state of nitrogen changes from

MEDIUM
JEE Main
IMPORTANT
is not obtained when following is heated
