Day 341: JEE Mains Chemistry

1. A.
   12
2. B.
   2
3. C.
   6
4. D.
   10

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1. A.
   (A)-(iii), (B)-(ii), (C)-(iv), (D)-(i)
2. B.
   (A)-(iv), (B)-(iii), (C)-(ii), (D)-(i)
3. C.
   (A)-(iv), (B)-(iii), (C)-(i), (D)-(ii)
4. D.
   (A)-(iv), (B)-(ii), (C)-(iii), (D)-(i)

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1. A.
   $\xrightarrow{Sn/HCl}/\xrightarrow{{Br}_{2}}/\xrightarrow{{NaNO}_{2}}/\xrightarrow{\text{~NaBr~}}$
2. B.
   $\xrightarrow{Sn/HCl}/\xrightarrow{KBr}/\xrightarrow{{Br}_{2}}/\xrightarrow{H^{+}}$
3. C.
   $\xrightarrow{{NaNO}_{2}}/\xrightarrow{HCl}/\xrightarrow{KBr}/\xrightarrow{H^{+}}$
4. D.
   $\xrightarrow{{Br}_{2}/Fe}/\xrightarrow{Sn/HCl}/\xrightarrow{{NaNO}_{2}/HCl}/\xrightarrow{CuBr/HBr}$

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1. A.
   Iodine test
2. B.
   Seliwanoff's test
3. C.
   Barfoed test
4. D.
   Tollen's test

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1. A.
   Formation of anilinium ion
2. B.
   $- {NO}_{2}$ substitution always takes place at meta-position
3. C.
   low temperature
4. D.
   $- {NH}_{2}$ group is highly meta-directive

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