Haemoglobin of the blood forms carboxy haemoglobin with __________.

Which of the following compounds will give racemic mixture on nucleophilic substitution by OH- ion?

The geometrical shape of carbocation is ______________.

 are ____________

Non- Zero dipole moment is shown by __________

Which of the following is electron deficient ?

The Henry's law constant for the solubility of Nitrogen gas in water at 350 K is 8 x 10⁴ atm. The mole fraction of nitrogen in air is 0.5. The number of moles of Nitrogen from air dissolved in 10 moles of water at 350K and 4 atm pressure is ____________

Consider the reaction where K_P = 0.5 at a particular temperature
PCl₅(g) ⇌ PCl₃ (g) + Cl₂ (g)
if the three gases are mixed in a container so that the partial pressure of each gas is initially 1 atm, then which one of the following is true ____________

The element with highest electron affinity belongs to___________.

Which of the following is arranged in order of increasing radius?

Among all the elements which one has the highest value of electronegativity?

Which one of the following is not an isoelectronic ion?

Which one of the following is the first transition series?

Metallic hydrides are otherwise called _______

Consider the following statements.
(i) The region where the probability density of electron is zero, called nodal surface.
(ii) The probability of finding the electron is independent of the direction of the nucleus.
(iii) The number of radial nodes is equal to n + 1+ 1
Which of the above statements is/are correct?

Which of the following is used in illumination of wrist watches?

H₂O₂ is a ________ acid.

Atomicity of nitrogen is __________.

Match the list I with List II and select the correct answer using. the code given below the lists.

Find the incorrect statement.

Pd has exceptional electronic configuration of 4d¹⁰ 5s⁰ It belongs to period ______ and group _____

The conversion of atomic hydrogen to dihydrogen is a __________ change.

Change in internal energy, when 4 kJ of work is done on the system and 1 kJ of heat is given out by the system is ______________

Deuterium consists of _____________

The maximum number of electrons in a sub shell is given by the expression _____________