Day 425: MHT-CET Chemistry

1. A.
   (I) -- (D), (II) -- (A), (III) -- (C), (IV) -- (B)
2. B.
   (I) -- (D), (II) -- (C), (III) -- (A), (IV) -- (B)
3. C.
   (I) -- (C), (II) -- (B), (III) -- (D), (IV) -- (A)
4. D.
   (I) -- (B), (II) -- (C), (III) -- (A), (IV) -- (D)

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1. A.
   $\mathrm{MnO_4^-}$
2. B.
   $\mathrm{MnO_4^{-2}}$
3. C.
   $\mathrm{CrO_4^{-2}}$
4. D.
   $\mathrm{Cr_2O_7^{-2}}$

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1. A.
   Reduction with Zinc dust
2. B.
   Dehydration with $\mathrm{H_2SO_4}$ / 443 K
3. C.
   Treatment with $\mathrm{CS_2}$ / low temperture
4. D.
   Oxidation with $\mathrm{CrO_3}$

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1. A.
   Acrolein
2. B.
   O-Tolualdehyde
3. C.
   Phthaldehyde
4. D.
   Butyraldehyde

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1. A.
   Alkanes with less than 10 C atoms
2. B.
   Alkanes having 20 C to 25 C atoms
3. C.
   Alkanes having 25 C to 30 C atoms
4. D.
   Alkanes having more than 35 C atoms

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