SECTION-3 : (Maximum Marks : 24)
• This section contains SIX (06) questions.
• The answer to each question is a NON-NEGATIVE INTEGER.
• For each question, enter the correct integer corresponding to the answer using the mouse and the on-screen virtual numeric keypad in the place designated to enter the answer.
• Answer to each question will be evaluated according to the following marking scheme:
Full Marks : +4 ONLY If the correct integer is entered;
Zero Marks : 0 In all other cases.
The stoichiometric reaction of 516 g of dimethyldichlorosilane with water results in a tetrameric cyclic product X in 75% yield. The weight (in g) of X obtained is___. [Use, molar mass (g mol" 1 ): H = 1, C = 12, O = 16, Si = 28, Cl = 35.5]
Text Solution
Verified by Experts222
(222)
4(CH 3 ) 2 SiCl 2 +4H 2 O 
(CH 3 ) 8 Si 4 O 4 +8HCl
(X)
w = 516g
=4
%yield=75
The weight of X (in gram) = 296 x 
= 222 g
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