Day 234: JEE Mains Chemistry

1. A.
   ${HNO}_{2},Fe/H^{+},{HNO}_{2},KI,H_{2}O/H^{+}$
2. B.
   ${HNO}_{2},KI,Fe/H^{+},{HNO}_{2},H_{2}O/$ warm
3. C.
   ${HNO}_{2},KI,{HNO}_{2},Fe/H^{+},H_{2}O/H^{+}$
4. D.
   ${HNO}_{2},Fe/H^{+},KI,{HNO}_{2},H_{2}O/$ warm

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1. A.
   ketoses, proteins
2. B.
   proteins, ketoses
3. C.
   aldoses, ketoses
4. D.
   ketoses, aldoses

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1. A.
   $H_{2}{\text{ }S}_{2}O_{3}$
2. B.
   $H_{2}{\text{ }S}_{2}O_{6}$
3. C.
   $H_{2}{\text{ }S}_{2}O_{7}$
4. D.
   $H_{2}{\text{ }S}_{2}O_{8}$

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1. A.
   $C > A > B$
2. B.
   $B > C > A$
3. C.
   $A > C > B$
4. D.
   $C > B > A$

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1. A.
   0
2. B.
   2
3. C.
   1
4. D.
   3

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