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The ability of an element to participate in a chemical reaction is measured in form of its .............
Within the alkali metals atomic size is ...................... 2. Which of these is an sp-hybridized compound. A. C2H2 B. C2H6 C. CH4 D. C2H4.
0.10 g glycine and 0.4 ml water taken in 5 ml conical vial. Warmed slightly to dissolve the glycine. 0.3 rnl acetic anhydride added and stirred for about 5 min. Mixture cooled in ice bath for 10 min. Precipitate collected by suction filtration and washed with a few ml water. Clystais spread over a piece olfiiter papel or watch glass and air dried for i0 min. Mass and melting point of product recorded. Glycine dissolved after about 20 sec when watmed in gl5'cineiwater mixture' White, needle-shaped crystals formed when reaction mixture cooled in ice. 0.14 g. of solid obtained after f,rltration and drying of product. mp of crystals recorded as 205-207 n Solid product possibly still slightly wet.
The NaHCO3 is the limiting reactant and the HCl is the excess reactant in this experiment. Determine the theoretical yield of the NaCl product, showing all of your work in the space below. (5 points)
and heres the data to complete the question
mass of NaHCO3- 12.71g
mass of hcl- 3g
The co-ordination no. of F- in CaF2 is :-
(1) 3 (2) 4 (3) 6 (4) 8
The standard enthalpy of formation for which of the following is zero :-
In which of the following reactions, MgO is not formed :-
(1) Mg + CO2 →
(2) Mg + dil. HNO3 →
(3) Mg + NO→
(4) Mg + B2O3 →
When orthophosphoric acid is heated to 600°C, the product formed is :-
Which of the following carbonyls will have the strongest C–O bond?
Which of the following salt does not give positive chromyl chloride test?