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The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 'A' × \( 10^{12} \) hertz and that has a radiant intensity in that direction \(\displaystyle \frac{1}{'B'} \) watt per steradian.
'A' and 'B' are respectively

Which among the following purification methods is based on the principle of “Solubility” in two different solvents?

The correct order of reactivity in electrophilic substitution reaction of the following compounds is:

The correct statement regarding nucleophilic substitution reaction in a chiral alkyl halide is :

Which among the following halide/s will not show \( \mathrm{S_{N}1} \) reaction:
\((A)\) \(\text{H}_2\text{C}=\text{CH}-\text{CH}_2\text{Cl}\) \((B)\) \(\text{CH}_3-\text{CH}=\text{CH}-\text{Cl}\)
\((C)\) \((D)\)
Choose the most appropriate answer from the options given below:

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JEE Main 2024 27th Jan Morning Shift

The correct statement regarding nucleophilic substitution reaction in a chiral alkyl halide is :