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Which of the following is a mixed anhydride :

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Important Questions on The p-Block Elements

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Which of the following oxides of nitrogen is blue in nature?
MEDIUM
The molecule with smallest N-N bond distance and higest NNO bond angle is
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Which of the following compound on heating gives N2O?

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Which among the following oxides of nitrogen is brown coloured gas?
HARD
A colourless, neutral, paramagnetic oxide of Nitrogen 'P' on oxidation gives reddish brown gas Q. Q on cooling gives colourless gas R. R on reaction with P gives blue solid S. Identify P, Q, R, S respectively.
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Which among the following compounds is used for the preparation of Nitrogen (IV) oxide?
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Identify the correct statement from the statements given below.
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Which one of the following does not possess a N-N bond?
MEDIUM
Sodium nitrite is reacted with H2SO4 to form NaHSO4,HNO3, water and X. Gold is dissolved in aqua regia to form water, AuCl4- and Y.X and Y are respectively
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The reaction of NO with N2O4 at 250 K gives :
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The product obtained as a result of a reaction of nitrogen with CaC2 is:
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Chemical nature of the nitrogen oxide compound obtained from a reaction of concentrated nitric acid and P4O10 (in 4: 1 ratio) is:
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Good reducing nature of H3PO2 is attributed to the presence of:
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Iodine reacts with concentrated HNO3 to yield Y along with other products. The oxidation state of iodine in Y , is:
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What is the number of nitrogen-nitrogen bonds in N2O5 ?
MEDIUM
Among the oxides of nitrogen:

N2O3, N2O4 and N2O5; the molecule(s) having nitrogen - nitrogen bond is/are: