Raney nickel is prepared from ______________________ by treating with caustic soda?
A. Ni-Cu alloy B. Ni-Fe alloy C. Ni-Al alloy D. Ni-Mg alloy
A. Ni-Cu alloy B. Ni-Fe alloy C. Ni-Al alloy D. Ni-Mg alloy
A. polyacetylene B. benzene C. chloroprene D. divinyl acetylene
A. C-F B. C-C C. C-Br D. C-I
A. methane B. ethane C. propane D. butane
A. Order of reaction B. Rate of reaction C. Mole of a reaction D. Extent of a reaction
A. Zero B. One C. Two D. Three
A. Zero B. First C. Second D. Third
A. the concentration of substrate B. the concentration of nucleophile C. the concentration of substrate as well as nucleophile D. base the concentration of substrate as well as nucleophile
A. first order kinetics B. second order kinetics C. third order kinetics D. zero order kinetics
A. the presence of halogen atom B. the presence of magnesium atom C. the polarity of C-Mg bond D. all