Benzne reacts with formaldehyde and dry `HCl` gas in the precence of anhdous `ZnCl_(2)` to form

Benzaldehyde reacts with formaldehyde in the presence of alkali to form:-

Benzaldehyde reacts with formaldehyde in the presence of alkali to form:-

Which alcohol is most reactive towards HCl in the presence of anhydrous ZnCl_(2) ?

Which alcohol is most reactive towards HCl in the presence of anhydrous ZnCl_(2) ?

Out of (a) CH_(2)=CH-CH_(2)OH (b) CH_(2)=CH-CH_(2)-CH_(2)-OH , which will react more easily with conc. HCl in the presence of anhydrous ZnCl_(2) ?

Alkyl chloride is formed when alcohol is treated with HCl in presence of anhydrous ZnCl_(2) . The order of reactivity with respect to alcohol is

What is the role of ZnCl_(2) in dry cell ?

What is the role of ZnCl_(2) in dry cell ?

Drying agent used to dry HCl gas.

Which of the following is the most reactive with HCl in the presence of ZnCl_(2) ?