List of top Chemistry Questions on p -Block Elements asked in TS EAMCET

Which of the following gives more number of oxides on reacting with $\text{HCl}$?

The number of lone pairs of electrons on the central atom of $\text{XeO}_3, \text{XeOF}_4$ and $\text{XeF}_6$ respectively is

Which of the following statements is not correct?

In which of the following reactions, hydrogen is evolved?
I. $\text{Reaction of sodium borohydride with iodine}$
II. $\text{Oxidation of diborane}$
III. $\text{Reaction of boron trifluoride with sodium hydride}$
IV. $\text{Hydrolysis of diborane}$

Which of the following statements is not correct regarding the gas evolved by the reaction of dilute $\text{HCl}$ on $\text{CaCO}_3$?

Which one of the orders is correctly matched with the property mentioned against it?

Noble gas 'X' is used as a diluent for oxygen in modern diving apparatus and noble gas 'Y' is used mainly to provide an inert atmosphere in high temperature metallurgical processes. 'Y' and 'X' are respectively?

The dibasic oxoacid of phosphorus on disproportionation gives two products A and B. A and B are respectively

Choose the correct statements about allotropes of carbon I. Graphite has layered structure II. Buckminster fullerene is not aromatic in nature III. The distance between two adjacent layers in graphite is 141.5 pm IV. The hybridization of carbons in graphite and Buckminster fullerene is same

Diborane on hydrolysis gives a compound X. The correct statements about X are I. It is a tribasic acid II. It is a weak monobasic acid III. It has a layer structure IV. It is highly soluble in water

Consider the following
Assertion (A): phosphorus can form both phosphorus (III) and phosphorus (V) chlorides but nitrogen cannot form nitrogen(V) chloride.
Reason (R): The electronegativity of nitrogen is more than that of phosphorus
The correct answer is

Which one of the following statements is not correct?

Thionyl chloride on reaction with white phosphorus gives a compound of phosphorus 'C' which on hydrolysis gives an oxo acid 'O'. The correct statements about C and O are
I. Shape of 'C' is pyramidal
II. 'O' is a dibasic acid
III. 'O' is a monobasic acid
IV. 'C' on reaction with acetic acid gives 'O'

The incorrect statement about the oxidation states of group 14 elements is

Which of the following is an incorrect statement about the compounds of group 13 elements?