p-Block Elements · Chemistry · NEET

Identify the incorrect statement from the following :

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Among Group 16 elements, which one does NOT show -2 oxidation state?

Given below are certain cations. Using inorganic qualitative analysis, arrange them in increasing group number from 0 to $$\mathrm{VI}$$. A. $$\mathrm...

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Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Helium is used to dilute oxygen i...

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The element expected to form largest ion to achieve the nearest noble gas configuration is

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Match List-I with List-II : .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-fami...

Which of the following reactions is a part of the large scale industrial preparation of nitric acid?

Na2B4O7 $$\buildrel {heat} \over \longrightarrow $$ X + NaBO2 in the above reaction the product "X" is :...

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Which of the following statement is not correct about diborane?

Given below are two statements Statement I : The boiling points of the following hydrides of group 16 elements increases in the order - H2O 2S 2Se 2Te...

Statement I : Acid strength increases in the order given as HF << HCl << HBr << HI.Statement II : As the size of the elements, F, Cl...

Noble gases are named because of their inertness towards reactivity. Identify an incorrect statement about them.

In which one of the following arrangements the given sequence is not strictly according to the properties indicted against it?

Which of the following is not correct about carbon monoxide?

Match the following and identify the correct option. (A) CO(g) + H2(g) (i) Mg(HCO3)2 + Ca(HCO3)2 (B) Temporary har...

Identify the correct statements from the following :(A) CO2(g) is used as refrigerant for ice-cream and frozen food.(B) The structure of C60 contains ...

Which of the following oxoacid of sulphur has $$ - $$ O$$ - $$ O$$ - $$ linkage?

Which is the correct thermal stability order for H2E (E = O, S, Se, Te and Po)?

Match the Xenon compounds in Column-I with its structure in Column-II and assign the correct code : ...

Identify the incorrect statement related to PCl5 from the following :

Which of the following species is not stable?

Which of the following is incorrect statement?

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Which of the following statements is not true for halogens?

Which one of the following elements is unable to form MF63– ion?

Match the interhalogen compounds of column-I with the geometry in column-II and assign the correct code. .tg {border-collapse:collapse;border-spacin...

In which pair of ions both the species contain S $$-$$ S bond?

It is because of inability of ns2 electrons of the valence shell to participate in bonding that

Boric acid is an acid because its molecule

AlF3 is soluble in HF only in presence of KF. It is due to the formation of

Match the compounds given in column I with the hybridisation and shape given in column II and mark the correct option .tg {border-collapse:collapse;...

Among the following the correct order of acidity is

Which is the correct statement for the given acids?

When copper is heated with conc. HNO3 it produces

Which one of the following orders is correct for the bond dissociation enthalpy of halogen molecules?

Strong reducing behavior of H3PO2 is due to

The variation of the boiling points of the hydrogen halides is in the order HF > HI > HBr > HCl. What explains the higher boiling point of h...

The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence

Which of the statements given below is incorrect?

The formation of the oxide ion, O2$$-$$(g) from oxygen atom requires first an exthermic and then an endothermic step as shown below: O(g) + e$$-$$ $$...

Nitrogen dioxide and sulphur dioxide have some properties in common . Which property is shown by one of these compounds , but not by the other?

Acidity of diprotic acids in aqueous solutions increases in the order

Identify the incorrect statement, regarding the molecule XeO4 :

Which statement is wrong?

Which of the following structure is similar to graphite?

The basic structural unit of silicates is

Which of these is not a monomer for a high molecular mass silicone polymer?

Which of the following does not give oxygen on heating?

Which one of the following molecules contains no $$\pi $$ bond?

Which is the strongest acid in the following?

In which of the following arrangements the given sequence is not strictly according to the property indicated against it?

Sulphur trioxide can be obtained by which of the following reaction?

In which of the following compounds, nitrogen exhibits highest oxidation state?

Which of the following statements is not valid for oxoacids of phosphorus?

Which of the following oxide is amphoteric?

Which of the following statements is incorrect?

The Lassaigne's extract is boiled with conc. HNO3 while testing for halogens. By doing so it

Name the two type of the structure of silicate in which one oxygen atom of [SiO4]4$$-$$ is shared?

How many bridging oxygen atoms are present in P4O10?

Which one of the following molecular hydrides acts as a Lewis acid?

The tendency of BF3, BCl3 and BBr3 to behave as Lewis acid decreases in the sequence

Oxidation states of P in H4P2O5, H4P2O6, H4P2O7 are respectively...

The correct order of increasing bond angles in the following species is

The straight chain polymer is formed by

The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence

Among the following which is the strongest oxidising agent?

The angular shape of ozone molecule (O3) consists of

Which one of the following orders correctly represents the increasing acid strengths of the given acids?

Which of the following anions is present in the chain structure of silicates?

Which of the following oxidation states are the most characteristic for lead and tin respectively?

In which of the following molecules are all the bonds are not equal?

The correct order regarding the electronegativity of hybrid orbitals of carbon is

Which of the following is the most basic oxide?

Which one of the following orders correctly represents the increasing acid strengths of the given acids?

What is the correct relationship between the pH of isomolar solutions of sodium oxide, Na2O (pH1), sodium sulphide, Na2S (pH2), sodium srlenide, Na2Se...

Which one of the following oxides is expected to exhibit paramagnetic behaviour?

Among K, Ca, Fe and Zn, the element which can from more than one binary compound with chlorine is

Which one of the following statements about the zeolite is false?

Which one of the following statements is not true?

Which one of the following compounds is not a protonic acid?

Which of the following statement is true?

Which compound is electron deficient?