Main 90 · Advanced 86
p-Block Elements
- Advanced 2020ChemistryMultiple correct
With respect to hypochlorite, chlorate and perchlorate ions, choose the correct statement(s).
- Advanced 2020ChemistryMultiple correct
Choose the correct statement(s) among the following.
- Advanced 2019ChemistryMultiple correct
A tin chloride Q undergoes the following reactions (not balanced)
X is a monoanion having pyramidal geometry. Both Y and Z are neutral compounds. Choose the correct option(s)
- Advanced 2019ChemistryNumerical
At 143 K, the reaction of with produces a xenon compound Y. The total number of lone pair(s) of electrons present on the whole molecule of Y is ______
- Advanced 2019ChemistryMultiple correct
With reference to aqua regia, choose the correct option(s)
- Advanced 2019ChemistryMultiple correct
Consider the following reactions (unbalanced)
+ hot conc. G + R + X
+ conc. T + Q
G + + Z (a precipitate) + X + Y
Choose the correct option(s)
- Advanced 2019ChemistryNumerical
The amount of water produced (in g) in the oxidation of 1 mole of rhombic sulphur by conc. to a compound with the highest oxidation state of sulphur is ______
(Given data: Molar mass of water = 18 g mol⁻¹)
- Advanced 2018ChemistryMultiple correct
The compound(s) which generate(s) gas upon thermal decomposition below 300°C is (are)
- Advanced 2018ChemistryMultiple correct
Based on the compounds of group 15 elements, the correct statement(s) is (are)
- Advanced 2018ChemistryNumerical
The total number of compounds having at least one bridging oxo group among the molecules given below is ____.
, , , , , , ,
- Advanced 2017ChemistryMultiple correct
The correct statement(s) about the oxoacids, and , is(are)
- Advanced 2017ChemistryMultiple correct
The colour of the molecules of group 17 elements changes gradually from yellow to violet down the group. This is due to
- Advanced 2017ChemistrySingle correct
Which of the following combination will produce gas?
- Advanced 2017ChemistrySingle correct
The order of the oxidation state of the phosphorus atom in , , , and is
- Advanced 2017ChemistryMultiple correct
Among the following, the correct statement(s) is(are)
- Advanced 2017ChemistryMultiple correct
The option(s) with only amphoteric oxides is(are)
- Advanced 2017ChemistrySingle correct
W and X are, respectively
- Advanced 2017ChemistrySingle correct
Y and Z are, respectively
- Main 2017ChemistrySingle correct
Which of the following reactions is an example of a redox reaction ?
- Main 2017ChemistrySingle correct
The products obtained when chlorine gas reacts with cold and dilute aqueous NaOH are :