MCQ
Enthalpy of solution of $NaOH$ (solid) in water is $ - 41.6\,kJ\,mo{l^{ - 1}}$. When $NaOH$ is dissolved in water, the temperature of water
- ✓Increase
- BDecreases
- CDoes not change
- DFluctuates indefinitely
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$(II)\, O^+_2 ,NO,N^-_2$ have same bond order of $2 \frac{1}{2}$
$(III)$ Bond order can assume any value including zero upto four
$(IV)\, NO^-_3$ and $BO^-_3$ have same bond order for $X - O$ bond (where $X$ is central atom)
${I^ - } + \,ClO_3^- + \,{H_2}S{O_4}\, \to \,C{l^ - }\, + \,HSO_4^ - \, + \,{I_2}$
(no free $H^+$ is present). Select the correct statement in the balanced equation (Coefficients in smallest whole number ratio.)