A. Ionic compounds have high melting and boiling points
B. Their reaction velocity in aqueous medium is very high
C. Ionic compounds in their molten and aqueous solutions do not conduct electricity
D. They are highly soluble in polar solvents
......of a reaction cannot be determined experimentally:
Which of the following is a linear molecule
Which of the following is correct
Observe the following reaction<br>2A + B → C<br>The rate of C is 2.2 x 10<sup>-3</sup> mol L<sup>-1</sup> min<sup>-1</sup>.What is the value of - d[A]/dt (in mol. L<sup>-1</sup>min<sup>-1</sup>)
A catalyst increases the rate of reaction because it :<br>
Assertion (A) : A catalyst increases the rate of a reaction.<br>Reason (R) : In presence of a catalyst, the activation energy of the reaction increases. <br>The correct answer is<br>
Which of the following is not tetrahedral
A molecule (X ) has <br>(i) four sigma bonds formed by the overlap of sp2 and s orbitals (ii) one sigma bond formed by sp2 and sp2 orbitals and (iii) one π bond formed by px and pz orbitals. Which of the following is X ?
AB is an ionic solid. The ionic radii of A<sup>+</sup> and B<sup>-</sup> are respectively r<sub>c</sub> and r<sub>a</sub>. Lattice energy of AB is proportional to :
The rate constant of a first order reaction at 27Â°C is 10<sup>-3</sup> min<sup>-1</sup>. The temperature coefficient of this reaction is 2. What is the rate constant (in min<sup>-1</sup>) at 17Â°C for this reaction ?