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## p-Block Elements

### Chemistry

#### Previous Years Questions

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Choose the correct statement:
NEET 2022
Given below are two statements Statement I : The boiling points of the following hydrides of group 16 elements increases...
NEET 2022
In which one of the following arrangements the given sequence is not strictly according to the properties indicted again...
NEET 2021
Noble gases are named because of their inertness towards reactivity. Identify an incorrect statement about them.
NEET 2021
Statement I : Acid strength increases in the order given as HF &lt;&lt; HCl &lt;&lt; HBr &lt;&lt; HI.Statement II : As t...
NEET 2021
Which of the following oxoacid of sulphur has $$-$$ O$$-$$ O$$-$$ linkage?
NEET 2020 Phase 1
Identify the correct statements from the following :(A) CO2(g) is used as refrigerant for ice-cream and frozen food.(B) ...
NEET 2020 Phase 1
Match the following and identify the correct option. (A) CO(g) + H2(g) (i) Mg(HCO3)2 + Ca(HCO3)2 ...
NEET 2020 Phase 1
Urea reacts with water to form A which will decompose to form B. B when passed through Cu2+ (aq), deep blue colour solut...
NEET 2020 Phase 1
Which of the following is not correct about carbon monoxide?
NEET 2020 Phase 1
Match the following : .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-style:solid;border-width:0px;font...
NEET 2019
Match the Xenon compounds in Column-I with its structure in Column-II and assign the correct code : ...
NEET 2019
Identify the incorrect statement related to PCl5 from the following :
NEET 2019
Which is the correct thermal stability order for H2E (E = O, S, Se, Te and Po)?
NEET 2019
Which of the following species is not stable?
NEET 2019
Which of the following is incorrect statement?
NEET 2019
Which of the following statements is not true for halogens?
NEET 2018
Which one of the following elements is unable to form MF63– ion?
NEET 2018
In which pair of ions both the species contain S $$-$$ S bond?
NEET 2017
Match the interhalogen compounds of column-I with the geometry in column-II and assign the correct code. .tg {border-c...
NEET 2017
It is because of inability of ns2 electrons of the valence shell to participate in bonding that
NEET 2017
Among the following the correct order of acidity is
NEET 2016 Phase 1
Which one of the following orders is correct for the bond dissociation enthalpy of halogen molecules?
NEET 2016 Phase 1
When copper is heated with conc. HNO3 it produces
NEET 2016 Phase 1
Which is the correct statement for the given acids?
NEET 2016 Phase 1
Match the compounds given in column I with the hybridisation and shape given in column II and mark the correct option ....
NEET 2016 Phase 1
AlF3 is soluble in HF only in presence of KF. It is due to the formation of
NEET 2016 Phase 2
Boric acid is an acid because its molecule
NEET 2016 Phase 2
Which of the statements given below is incorrect?
AIPMT 2015
Nitrogen dioxide and sulphur dioxide have some properties in common . Which property is shown by one of these compounds ...
AIPMT 2015 Cancelled Paper
The formation of the oxide ion, O2$$-$$(g) from oxygen atom requires first an exthermic and then an endothermic step as ...
AIPMT 2015
Strong reducing behavior of H3PO2 is due to
AIPMT 2015
The variation of the boiling points of the hydrogen halides is in the order HF &gt; HI &gt; HBr &gt; HCl. What explains...
AIPMT 2015
The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence
AIPMT 2015
Acidity of diprotic acids in aqueous solutions increases in the order
AIPMT 2014
Identify the incorrect statement, regarding the molecule XeO4 :
NEET 2013 (Karnataka)
Which of the following does not give oxygen on heating?
NEET 2013
Which one of the following molecules contains no $$\pi$$ bond?
NEET 2013
Which is the strongest acid in the following?
NEET 2013
Which statement is wrong?
NEET 2013 (Karnataka)
Which of these is not a monomer for a high molecular mass silicone polymer?
NEET 2013
The basic structural unit of silicates is
NEET 2013
Which of the following structure is similar to graphite?
NEET 2013
In which of the following arrangements the given sequence is not strictly according to the property indicated against it...
AIPMT 2012 Mains
Sulphur trioxide can be obtained by which of the following reaction?
AIPMT 2012 Prelims
In which of the following compounds, nitrogen exhibits highest oxidation state?
AIPMT 2012 Prelims
Which of the following statements is not valid for oxoacids of phosphorus?
AIPMT 2012 Prelims
Name the two type of the structure of silicate in which one oxygen atom of [SiO4]4$$-$$ is shared?
AIPMT 2011 Prelims
Which of the following oxide is amphoteric?
AIPMT 2011 Mains
Which of the following statements is incorrect?
AIPMT 2011 Mains
How many bridging oxygen atoms are present in P4O10?
AIPMT 2010 Mains
The correct order of increasing bond angles in the following species is
AIPMT 2010 Prelims
Oxidation states of P in H4P2O5, H4P2O6, H4P2O7 are respectively...
AIPMT 2010 Prelims
The tendency of BF3, BCl3 and BBr3 to behave as Lewis acid decreases in the sequence
AIPMT 2010 Prelims
Which one of the following molecular hydrides acts as a Lewis acid?
AIPMT 2010 Prelims
Among the following which is the strongest oxidising agent?
AIPMT 2009
The straight chain polymer is formed by
AIPMT 2009
The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence
AIPMT 2009
The angular shape of ozone molecule (O3) consists of
AIPMT 2008
Which one of the following orders correctly represents the increasing acid strengths of the given acids?
AIPMT 2007
Which of the following anions is present in the chain structure of silicates?
AIPMT 2007
Which of the following oxidation states are the most characteristic for lead and tin respectively?
AIPMT 2007
In which of the following molecules are all the bonds are not equal?
AIPMT 2006
Which one of the following orders is not in accordance with the property stated against it?
AIPMT 2006
The electronegativity difference berween N and F is greater than that between N and H yet the dipole moment of NH3 (1.5D...
AIPMT 2006
The correct order regarding the electronegativity of hybrid orbitals of carbon is
AIPMT 2006
Which of the following is the most basic oxide?
AIPMT 2006
Which one of the following orders correctly represents the increasing acid strengths of the given acids?
AIPMT 2005
What is the correct relationship between the pH of isomolar solutions of sodium oxide, Na2O (pH1), sodium sulphide, Na2S...
AIPMT 2005
Which of the following would have a permanent dipole moment?
AIPMT 2005
Which one of the following oxides is expected to exhibit paramagnetic behaviour?
AIPMT 2005
Among K, Ca, Fe and Zn, the element which can from more than one binary compound with chlorine is
AIPMT 2004
Which one of the following statements about the zeolite is false?
AIPMT 2004
Which one of the following compounds is not a protonic acid?
AIPMT 2003
Which of the following order is wrong?
AIPMT 2002
Which of the following statement is true?
AIPMT 2002
Correct order of 1st ionization potential among following elements Be, B, C, N, O is
AIPMT 2001
Which compound has planar structure?
AIPMT 2000
Which compound is electron deficient?
AIPMT 2000

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