MCQ
For a zero order reaction, the plot of conc. $(a-x)\ Vs$ time is linear with
- A$+ ive$ slope and zero intercept
- B$-ive$ slope and zero intercept
- C$+ ive$ slope and non zero intercept
- ✓$-ive$ slope and non-zero intercept
So a us $T$ a straight line of $- ve$ slope with non zero intercept $a_{o}$.
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$I.$ $Zn +$ conc. $HNO_3$ (hot) $\rightarrow Zn(NO_3)_2 + X + H_2O$
$II.$ $Zn +$ dil. $HNO_3$ (cold) $\rightarrow Zn(NO_3)_2 + Y + H_2O$
Compounds $X$ and $Y$ are respectively

$(R = 8.314\, J \,mol^{-1}\, K^{-1})$