Chemistry Past Questions and Answers

3Cu + pHNO₃ →3Cu(NO)₂ + 4H₂ O + xNO
In the equation above, the values of p and x respectively are

Neutral atoms of neon with atomic number 10 have the same number of electron as

The noble gases owe their inactivity to

According to the kinetic theory, an increase in temperature causes the kinetic energy of particles to

I. H = 1s¹ II. N = 1s² 2s² p³ III. O = 1s² 2s² p⁴ IV. Zn = 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰
From the above, which of the following pairs is like to be paramagnetic?