There is no gaseous product when NaNO3 reacts with 6M HCl.
We must note that gas evolution is one of the signs that a chemical reaction has taken place. Hence, we must consider the options and look out for an option in which reaction with HCl does not lead to a gaseous product. This is the option that does not lead to evolution of a gas.
Let us consider the reaction; NaNO3(s) + HCl(aq) ---> NaCl(s) + HNO3(aq), there is no gaseous product hence NaNO3 does not result in gas evolution upon addition of 6M HCl.
Missing parts;
Addition of 6 M HCl to which substance will NOT result in gas evolution?
(A) Al
(B) Zn
(C) K2CO3
(D) NaNO3
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The molecular shapes which have the most electron pairs (both shared and unshared) around the central atom are linear-shaped.
<h3>What are molecular shapes?</h3>
The molecular shapes are the shapes like linear, trigon planner, octahedral, tetrahedral, etc. which depend on the number of atoms and the lone pair and bond pair of atoms.
In linear shape, a maximum number of electrons take part in the hybridization and can also have lone pairs to give repulsion to the bond pairs of the atoms and only 2 electrons take part in bond formation.
Therefore, linear-shaped are the molecular shapes that have the most electron pairs (both shared and unshared) around the central atom.
Learn more about molecular shapes, here:
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I believe that the answer is the sun
0 degrees Celsius and 1 atmosphere.