19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
In which of the following compounds, sulphur show maximum oxidation number? (JIPMER 2017)
Among the following compounds, which will produce POCl3 with PCl5? (JIPMER 2017)
Which of the following oxide is most acidic? (JIPMER 2017)
Nitrogen dioxide and sulphur dioxide have some properties in common. Which property is shown by one of these compounds, but not by the other? (CBSE AIPMT 2015)
The gaseous product formed when HOCl reacts with H2O2 in acidic medium is (Kerala CEE 2014)
Which among the following group 16 elements exists in more than two allotropic states? (JCECE 2014)
Acidity of diprotic acids in aqueous solutions increases in the order (CBSE AIPMT 2014)
The correct arrangement of following acids of phosphorus in the increasing order of oxidation state of phosphorus is (Guj CET 2014)
The species that is not hydrolysed in water is (KCET 2014)
The statement that is not correct is (KCET 2014)
Bleaching powder loses its power on keeping for a long time because (KCET 2013)
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 mixture of concentrated HCl and HNO3 made in 3 : 1 ratio contains (AIIMS 2013)
Which of the following is not a peroxyl acid? (Manipal 2012)
Standard sodium thiosulphate solution is used in the estimation of iodine present in a solution. The equivalent weight of sodium thiosulphate which is required to make the standard solution is
When SO2 gas is passed into an acidified solution of K2Cr2O7, the oxidation state of chromium changes
Which of the following ions does not have an S—S linkage?
H2SO4 is manufactured from SO2(g) by the
Dehydration of concentrated H2SO4 in the presence of P4O10 produces
Which of the following gases may act both as an oxidizing and a reducing agent?
Sulphur dioxide reacts with chlorine in the presence of charcoal (which acts as a catalyst) to give