19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
FeSO4 is a very good absorber for NO. The number of unpaired electrons in the new compound formed by this process is
Which statement is wrong for NO ?
Which of the following oxides of nitrogen is solid?
In NO ion, the number of bond pairs and lone pair of electrons on nitrogen atom are
The bond order in the NO molecule is
A solution of sodium in liquid ammonia is blue due to the presence of
Ammonia, on reaction with excess of chlorine, gives :
The tendency of nitrogen halides to act as Lewis bases decreases in the order
Which of the following halides of nitrogen is stable?
Among the following, the element that does not show allotropy is
The element which forms oxides in all oxidation states +I to + V is :
The most stable oxidation states of nitrogen are
In NO ion, the number of bond pairs and lone pair of electrons on nitrogen atom are
The compound represents phosgene is (Manipal 2013)
The increases order of reducing power of halogen acid is (Manipal 2013)
Aqueous solutions of hydrogen sulphide and sulphur- dioxide when mixed together, yield (KCET 2013)
The correct order of relative acidity is (UP CPMT 2013)
In pyrophosphoric acid the number of hydroxyl groups are (UP CMT 2013)
The statement that is not correct is (KCET 2014)
In the cyclo-S8 molecule of rhombic sulphur, all the S—S bond lengths and all the S—S—S bond angles are respectively (approximate values)
Which of the following is/are correct?
O3 cannot oxidise:
The species that is not hydrolysed in water is (KCET 2014)
The correct arrangement of following acids of phosphorus in the increasing order of oxidation state of phosphorus is (Guj CET 2014)
Acidity of diprotic acids in aqueous solutions increases in the order (CBSE AIPMT 2014)