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JEE Main 201911 JanuaryEvening Shift
Exam
JEE Main
Year
2019
Date
11 January
Shift
Evening Shift
Subject
Chemistry
Chapter
s Block Elements

JEE Main 2019 · 11 January · Evening Shift · Chemistry · s Block Elements

Match the following items in column I with the corresponding items...

Match the following items in column I with the corresponding items in column II. Match the following items in column I with the corresponding items in column II.

Options

  1. A(i) →\rightarrow (B); (ii) →\rightarrow (C); (iii) →\rightarrow (A); (iv) →\rightarrow (D)
  2. B(i) →(C);\rightarrow(\mathrm{C}) ; (ii) →(B);\rightarrow(\mathrm{B}) ; (iii) →(D);\rightarrow(\mathrm{D}) ; (iv) →(A)\rightarrow(\mathrm{A})
  3. C(i) →\rightarrow (D); (ii) →\rightarrow (A); (iii) →\rightarrow (B); (iv) →\rightarrow (C)
  4. D(i) →\rightarrow (C); (ii) →\rightarrow (D); (iii) →\rightarrow (B); (iv) →\rightarrow (A)

Correct answer

D. (i) →\rightarrow (C); (ii) →\rightarrow (D); (iii) →\rightarrow (B); (iv) →\rightarrow (A)

Step-by-step solution

(i) Na2CO3⋅10H2O→\mathrm{Na}_{2} \mathrm{CO}_{3} \cdot 10 \mathrm{H}_{2} \mathrm{O} \rightarrow Solvay process (ii) Mg(HCO3)2→\mathrm{Mg}\left(\mathrm{HCO}_{3}\right)_{2} \rightarrow Temporary hardness (iii) NaOH→\mathrm{NaOH} \rightarrow Castner-Kellner process (iv) Ca3Al2O6→\mathrm{Ca}_{3} \mathrm{Al}_{2} \mathrm{O}_{6} \rightarrow Portland cement
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