For the following questions answer them individually
The correct corresponding order of names of four aldoses with configuration given below:Â Â
A given nitrogen-containing aromatic compound reacts with Sn/HCI, followed by $$HNO_2$$, to give an unstable compound B. B, on treatment with phenol, forms a beautiful coloured compound C with the molecular formula $$C_{12}H_{10}N_2O$$. The structure of compound A is
Consider the reaction
$$CH_3CH_2CH_2Br + NaCN \rightarrow CH_3CH_2CH_2CN + NaBr$$
This reaction will be the fastest in
Which one of the following compounds shows the presence of intramolecular hydrogen bond?