JEE Main, NEET MCQs Set 1 1

+I effect is shown by

0.023 g of sodium metal is reacted with 100 cm³ of water. The pH of the resulting solution is ______.

0.5 mole of each of H₂, SO₂ and CH₄ are kept in a container. A hole was made in the container. After 3 hours, the order of partial pressures in the container will be

10 cm³ of 0.1 N monobasic acid requires 15 cm³ of sodium hydroxide solution whose normality is

10^-6 M NaOH is diluted 100 times. The pH of the diluted base is

2 gm of a radioactive sample having half life of 15 days was synthesised on 1^st Jan 2009. The amount of the sample left behind on 1^st March. 2009 (including both the days)

2HI(g) Ý H₂(g) + I₂(g)

The equilibrium constant of the above reaction is 6.4 at 300 K. If 0.25 mole each of H₂ and

I₂ are added to the system, the equilibrium constant will be

2SO2_(g) + O2_(g)   is an example for

30 cc of  HCl, 20 cc of  5 HNO₃ and 40 cc of  NaOH solutions are mixed and the volume was made up to 1 dm³. The pH of the resulting solution is

5 moles of SO₂ and 5 moles of O₂ are allowed to react. At equilibrium, it was found that 60% of SO₂ is used up. lf the partial pressure of the equilibrium mixture is one atmosphere. the partial pressure of O₂ is

Which one of these is NOT TRUE for benzene?

Which one of the following is paramagnetic?

Which one of the following is a covalent crystal?

Which one of the following DOES NOT involve coagulation?

Which one is not a constituent of nucleic acid?