Home | Chemistry | Physical Chemistry | Some Basic Concepts | Laws Of Chemical Combination | Mcq | Hydrogen Combines With Chlorine To Form Hcl It Also Combines With Sodium To Form Nah If Sodium And Chlorine Also Combine With Each Other They Will Do So In The Ratio Of Their Masses Asa 23355b 35523c 11d 231
MCQ
MCQ
Hydrogen combines with chlorine to form HCl. It also combines with sodium to form NaH. If sodium and chlorine also combine with each other, they will do so in the ratio of their masses as
(a) 23:35.5
(b) 35.5:23
(c) 1:1
(d) 23:1
Solution:
Atomic masses of H, Na and Cl is 1, 23 and 35.5 g/mol respectively.
In HCl, 1 part of H combines with 35.5 parts of Cl.
In NaH, 23 parts of Na combines with 1 part of H.
The ratio of H in both compounds is 1:1.
According to law of multiple proportions, Na and Cl will combine in the ratio of their masses as 23:35.5.
So, correct option is (a).
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