$$ \text { Match List I with List II : } $$
| List-I (Order of reaction) |
List-II (Unit of rate constant) |
||
|---|---|---|---|
| A. | Zero order | I. | $\mathrm{mol}^{-1} \mathrm{~L} \mathrm{~s}^{-1}$ |
| B. | First order | II. | $\mathrm{mol}^{-2} \mathrm{~L}^2 \mathrm{~s}^{-1}$ |
| C. | Second order | III. | $\mathrm{s}^{-1}$ |
| D. | Third order | IV. | $\mathrm{mol} \mathrm{L}^{-1} \mathrm{~s}^{-1}$ |
A-IV, B-II, C-I, D-III
A-IV, B-III, C-I, D-II
A-IV, B-III, C-II, D-I
A-I, B-II, C-III, D-IV
$$ \text { The correct IUPAC name of the following compound is : } $$

3-ethyl-5-methylheptane
2,4-diethylhexane
3-methyl-5-ethylheptane
3,5-diethylhexane
A bulb is rated at 150 watt, converting $8 \%$ energy into light. If energy of one photon is $4.42 \times 10^{-19} \mathrm{~J}$, how many photons are emitted by the bulb per second?
$2.71 \times 10^{19}$
$4.06 \times 10^{19}$
$27.2 \times 10^{19}$
$1.35 \times 10^{19}$
Methane reacts with steam at 1273 K in the presence of nickel catalyst to form :
CO and $\mathrm{H}_2 \mathrm{O}$
$ \mathrm{CO}_2$ and $\mathrm{H}_2$
$ \mathrm{CO}$ and $\mathrm{H}_2$
$ \mathrm{CO}_2$ and $\mathrm{H}_2 \mathrm{O}$
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