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The oxoacid of phosphorus that is easily obtained from a reaction of alkali and white phosphorus and has two \( \mathrm{P-\!H} \) bonds, is:

The most stable trihalide of nitrogen is:

White phosphorus reacts with thionyl chloride to give.

Among the given oxides of nitrogen; \( \mathrm{N_2O} \), \( \mathrm{N_2O_3} \), \( \mathrm{N_2O_4} \) and \( \mathrm{N_2O_5} \), the number of compound/(s) having \( \mathrm{N-N} \) bond is:

Consider the following sulphur based oxoacids.
\( \mathrm{H}_2\mathrm{SO}_3, \mathrm{H}_2\mathrm{SO}_4, \mathrm{H}_2\mathrm{S}_2\mathrm{O}_8 \) and \( \mathrm{H}_2\mathrm{S}_2\mathrm{O}_7 \)
Amongst these oxoacids, the number of those with peroxo \( (\text{O–O}) \) bond is __________.

The gas produced by treating an aqueous solution of ammonium chloride with sodium nitrite is

Which oxoacid of phosphorous has the highest number of oxygen atoms present in its chemical formula?

Identify the incorrect statement for \( \mathrm{PCl_5} \) from the following.

On the surface of polar stratospheric clouds, hydrolysis of chlorine nitrate gives A and B while its reaction with HCl produces B and C. A, B and C are, respectively.

Choose the correct stability order of group \( 13 \) elements in their \( +1 \) oxidation state.

\( \mathrm{PCl_5} \) is well known, but \( \mathrm{NCl_5} \) is not. Because,

Which of the following will have maximum stabilization due to crystal field?

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Flourine forms one oxoacid.
Reason R : Flourine has smallest size amongst all halogens and is highly electronegative.
In the light of the above statements, choose the most appropriate answer from the options given below.

The correct order of melting points of hydrides of group \( 16 \) elements is:

The oxide which contains an odd electron at the nitrogen atom is:

Which of the following oxoacids of sulphur contains "S" in two different oxidation states?

Polar stratospheric clouds facilitate the formation of:

Match List I with List II.

Choose the correct answer from the options given below:

Which of the following elements is considered as a metalloid?

The interhalogen compound formed from the reaction of bromine with excess of fluorine is a:

Consider the following reaction:
\( A + \text{alkali} \rightarrow B \) (Major product)
If \( B \) is an oxoacid of phosphorus with no \( \mathrm{P\!-\!H} \) bond, then \( A \) is:

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JEE Main 2022 26th June Evening Shift

Which of the following elements is considered as a metalloid?