The nature of 2, 4, 6-trinitrophenol is:

$C{H_3}COOH + PC{l_5} \to A\mathop {\xrightarrow{{{C_6}{H_6}}}}\limits_{anh.\,AlC{l_3}} $ $B\mathop {\xrightarrow{{{C_2}{H_5}MgBr}}}\limits_{ether} C$

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A mixture of benzene and toluene forms

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The metal iron present in chlorophyll is :

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For the reaction

$2 \mathrm{H}_{2}(\mathrm{g})+2 \mathrm{NO}(\mathrm{g}) \rightarrow \mathrm{N}_{2}(\mathrm{g})+2 \mathrm{H}_{2} \mathrm{O}(\mathrm{g})$

the observed rate expression is, rate $=\mathrm{k}_{\mathrm{f}}[\mathrm{NO}]^{2}\left[\mathrm{H}_{2}\right] .$ The rate expression of the reverse reaction is

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Which of the following statement($s$) is(are) true ?

$(1)$ Oxidation of glucose with bromine water gives glutamic acid

$(2)$ The two six-membered cyclic hemiacetal forms of $D-(+)$-glucose ard called anomers

$(3)$ Hydrolysis of sucrose gives dextrorotatory glucose and laevorotatory fructose

$(4)$ Monosaccharides cannot be hydrolysed to give polyhydroxy aldehydes and ketones

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The major product obtained on treatment of
$CH_3CH_2CH(F)CH_3$ with $CH_3O^-/CH_3OH$ is

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Which one of the following is not an example of chain growth polymer?

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Which of the following has diamagnetic character