p-Block Elements

$\mathrm{NO}_2$ gas is

A metalloid is

Which of the following halides cannot be hydrolysed?

Which one of the following oxoacids of phosphorus can reduce \(\mathrm{AgNO}_3\) to metallic silver?

The correct decreasing order of basicity of hydrides of group- 15 elements is

Which of the following compound does not give dinitrogen on heating?

What is the oxidation number of \(\mathrm{S}\) in \(\mathrm{H}_2 \mathrm{S}_2 \mathrm{O}_8\) ?

The strong reducing property of hypophosphorus acid is due to

\(\left(\mathrm{NH}_4\right)_2 \mathrm{Cr}_2 \mathrm{O}_7\) on heating liberates a gas. The same gas will be obtained by

Which of the following hydrides is electron deficient?

Which of the following compound on heating gives \(\mathrm{N}_2 \mathrm{O}\) ?

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

\(\mathrm{XeF}_6\) on partial hydrolysis gives a compound \(X\), which has square pyramidal geometry '\(X\)' is

In the detection of II group acid radical, the salt containing chloride is treated with concentrated sulphuric acid, the colourless gas is liberated. The name of the gas is

Which of the following property is true for the given sequence?
\(\mathrm{NH}_3>\mathrm{PH}_3>\mathrm{AsH}_3>\mathrm{SbH}_3>\mathrm{BiH}_3 \text { ? }\)

The number of six membered and five membered rings in Buckminster fullerene respectively is

A Lewis acid '\(X\)' reacts with \(\mathrm{LiAlH}_4\) in ether medium to give a highly toxic gas. This gas when heated with \(\mathrm{NH}_3\) gives a compound commonly known as inorganic benzene. The gas is

The last element of the \(p\)-block in 6 th period is represented by the outer most electronic configuration.

Aqueous solution of a salt \((A)\) forms a dense white precipitate with \(\mathrm{BaCl}_2\) solution. The precipitate dissolves in dilute \(\mathrm{HCl}\) to produce a gas \((B)\) which decolourises acidified \(\mathrm{KMnO}_4\) solution.
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Phosphorus pentachloride

The metal nitrate that liberates \(\mathrm{NO}_2\) on heating

0.1 mole of \(\mathrm{XeF}_6\) is treated with \(1.8 \mathrm{~g}\) of water. The product obtained is

When $\mathrm{PbO}_2$ reacts with concentrated $\mathrm{HNO}_3$, the gas evolved is

Addition of mineral acid to an aqueous solution of borax, the following compound is formed

Plaster of Paris is represented as