Observe the following sets:
Which of the above sets are correctly matched?
Arrange the following in decreasing order of their basicity:
If uncertainty in position and momentum of an electron are equal, then uncertainty in its velocity is:
The graph shown below represents the variation of probability density, \( \Psi(r) \), with distance \( r \) of the electron from the nucleus. This represents:
The number of \( d \) electrons in Fe is equal to which of the following?(i) Total number of \( s \)-electrons of Mg(ii) Total number of \( p \)-electrons of Cl (iii) Total number of \( p \)-electrons of Ne
Which of the following orders are correct regarding their covalent character?(i) \( \text{KF} < \text{KI} \)(ii) \( \text{LiF} < \text{KF} \)(iii) \( \text{SnCl}_2 < \text{SnCl}_4 \)(iv) \( \text{NaCl} < \text{CuCl} \)
The RMS velocity (\(v_{{rms}}\)) of one mole of an ideal gas was measured at different temperatures and the following graph is obtained. What is the slope (m) of the straight line?
From the following identify pairs in which metal is correctly matched with its refining process:
