Question Text
Question 1 :
$pK_{a}$ of acetic acid is <b>4.741</b>. The concentration of $CH_{3}COONa$ is <b>0.01</b> M. The pH of $CH_{3}COONa$ is?
Question 2 :
The solution of bleaching powder in water is always a clear solution.<br/>
Question 4 :
What is used as a bleaching linen, wood pulp and washed clothes in laundry?
Question 5 :
A less reactive metal replaces a more reactive metal from its salt solution in water.<br>
Question 6 :
<p>Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats. This is an example of :</p>
Question 7 :
Exposure of silver bromide to sunlight for a long duration turns grey due to:
Question 8 :
The standard reduction potentials at $25^{\circ}C$ for the following half reactions are given against each;<br>$Zn^{2+}(aq.) + 2e^{-}\rightleftharpoons Zn(s); -0.762$<br>$Cr^{3+}(aq.) + 3e^{-}\rightleftharpoons Cr(s); -0.740$<br>$2H^{+} + 2e^{-}\rightleftharpoons H_{2}(g); 0.00$<br>$Fe^{3+} + e^{-}\rightleftharpoons Fe^{2+}; 0.77$<br>Which is the strongest reducing agent?
Question 9 :
Which of the following is a monounsaturated hydrocarbon, i.e. the compound that contains one carbon - carbon double bond?
Question 12 :
The IUPAC name of $K_{2}\left [ Ni\left ( CN \right )_{4} \right ]$ is :<br/>
Question 15 :
The set of principal $(n)$ azimuthal $(l)$ and magnetic $(m)$ quantum numbers that is not allowed for the electron in H-atom is
Question 16 :
Which one is the correct order of the size of the iodine species?
Question 19 :
Borax is used as cleansing agent because on dissolving in water it gives ________________.