Fill in the blank from the choices given in bracket: The compound formed when ethene reacts with Hydrogen is .................. `(CH_4,C_2H_6,C_3H_8)`

Fill in the blanks from the choices given within brackets: (i) The compound formed when ethanol reacts with sodium is .............. (sodium ethanoate, sodium ethoxide, sodium propanoate)

Fill in the blank from the choices given in brackets: Potassium sulphite on reacting with hydro chloric acid releases ....... gas. (Cl_2,SO_2,H_2S)

Fill in the blank from the choices given within brackets: Cold, dilute nitric acid reacts with copper to form .................. (Hydrogen, nitrogen dioxide, nitric oxide)

Fill in the blank from the choices given within bracket: The basicity of Acetic Acid is ......... (3, 1, 4)

Fill in the blanks from the choices given in the brackets: The product of condensation of ethanoic acid with ethanol in presence of conc. H_2 SO_4 is _______ [acetaldehyde, ethylacetate, diethylether]

Fill in the blank with the choices given in bracket: Conversion of ethene to ethane is an example of...........(hydration/hydrogenation).

Fill in the blanks from the choices given in brackets- When a metallic oxide is dissolved in water, the solution formed has a high concentration of _____ions [H^(+), H_(3)O^(+), OH^(-)]

Fill in the blanks from the choices given in the brackets: Silver nitrate soln. reacts with dil. HCl to give a precipitate which is soluble in ______[dil. HNO_3 , cold water, NH_4 OH ]

Fill in the blank with the choices given in bracket. When a metallic oxide is dissolved in water, the solution formed has a high concentration of .............. Ions. (H^(+),H_(3)O^(+),OH^(-))

Fill in the blanks from the choices given in the brackets: When ammonia [in excess] & chlorine are mixed, the chlorine is [oxidized to HCl, oxidised to N_2 , reduced to HCI]