Day 137: JEE Mains Chemistry

1. A.
   (i) ${Br}_{2}$ (aq) (ii) ${LiAlH}_{4}$ (iii) $H_{3}O^{+}$
2. B.
   (i) ${Br}_{2},Fe$ (ii) $Fe,H^{+}$(iii) ${LiAlH}_{4}$
3. C.
   (i) $Fe,H^{+}$(ii) ${Br}_{2}$ (aq) (iii) ${HNO}_{2}$ (iv) $H_{3}{PO}_{2}$
4. D.
   (i) $Fe,H^{+}$(ii) ${Br}_{2}$ (aq) (iii) ${HNO}_{2}$ (iv) $CuBr$

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1. A.
   Aldopentose
2. B.
   Aldotetrose
3. C.
   Oxalic acid
4. D.
   Ketotetrose

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1. A.
   (A) and (C) are correct statements.
2. B.
   (A) and (D) are correct statements.
3. C.
   (B) and (D) are correct statements.
4. D.
   (B) and (C) are correct statements.

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