Balancing Chemical Equations by Partial Equation Method
In a certain ...
Question
In a certain operation 358 gm of TiCl4 is reacted with 96 gm of Mg. The % yield of Ti if 32 gm of Ti actually obtained is :
[Atomic weight Ti=48,Mg=24]
A
35.38%
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B
66.5%
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C
100%
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D
60%
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Solution
The correct option is A35.38% TiCl4+2Mg→Ti+2MgCl2 Initial mole of TiCl4=358190=1.88 and of Mg=9624=4 Final mole of TiCl4=0 and that of Mg=4−(2×1.88) Final mole of Ti=1.88 and that of Mg=2×1.88 Weight of Ti obtained =358190×48 Hence, the % yield =32×100358×48190=35.38%