Alkyne all prepration method reactions

All alkane prepration method reactions

Dihydrogen can be perpared on commerical scale by different methods. In its prepration by the action of steam on hydrocarbons , a mixture of CO and H_(2) gas is formed. It is know as……

Which of the following methods for the calculation of heat of a reaction is not correct?

Why do alkenes and alkynes undergo addition reactions ? Describe some important addition reactions of alkenes and alkynes.

All radioactive decompoistion reactions are…………..order reactions.

Which of the following alkynes can be identified and distinguished from the rest of the alkynes on reaction with ammoniacal silver nitrate to gave a white presipitate?

Identify the incorrect statement // statement : (i) Alkynes are more reactive than alkenes towards electrophilic addiction reaction (ii) Alkynes are less reactive than alkenes towards electrophilic addiction reaction (iii) Alkynes decolourise Br_(2) water (iv) Addition of HBr to alkenes in presence of peroxide proceeds via Markownikoff's rule

Write balanced chemical equations for the following reactions : Prepration of methane from anhydrous sodium ethanoate (sodium acetate).

The trans-alkenes are formed by the reduction of alkynes with

What is common to the seed banks, orchards, tissue culture and cryopreservation ? (a) All are in situ conservation methods. (b) All are ex situ conservation methods. (c) All require ultramodern equipment and very large space (d) All are methods conservation of extinct organisms.