Maharashtra HSC Class 12 Chemistry July 2024 question paper

1. A.
   $kt = [A]_0 - [A]_t$
2. B.
   $kt = 2.303\log_{10}\dfrac{[A]_0}{[A]_t}$
3. C.
   $k = \dfrac{[A]_t - [A]_0}{t}$
4. D.
   $kt = 2.303\log_{10}\dfrac{[A]_t}{[A]_0}$

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1. A.
   3.806 BM
2. B.
   4.899 BM
3. C.
   5.796 BM
4. D.
   6.817 BM

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1. A.
   $\sqrt{3}\,r = 4a$
2. B.
   $\sqrt{3}\,a = 4r$
3. C.
   $r = \dfrac{a}{2}$
4. D.
   $\sqrt{2}\,a = 4r$

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1. A.
   vinyl chloride
2. B.
   acrylamide
3. C.
   butadiene and acrylonitrile
4. D.
   styrene

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

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1. A.
   alanine
2. B.
   valine
3. C.
   leucine
4. D.
   glycine

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1. A.
   a benzene ring with X bonded directly to a ring carbon
2. B.
   a benzene ring with a $\mathrm{{-}CH_2X}$ group on it
3. C.
   a cyclohexene ring with X on the carbon next to the double bond
4. D.
   a benzene ring carrying $\mathrm{{-}CH_3}$ and $\mathrm{{-}X}$ on adjacent ring carbons

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1. A.
   $\mathrm{[Co(NO_2)_3(NH_3)_3]}$
2. B.
   $\mathrm{[Co(NH_3)_5CO_3]Cl}$
3. C.
   $\mathrm{Na_3[Co(NO_2)_6]}$
4. D.
   $\mathrm{[Co(C_2O_4)_3]^{3-}}$

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1. A.
   Etard's reaction
2. B.
   Gatterman-Koch formylation reaction
3. C.
   Friedel-Crafts reaction
4. D.
   Swartz reaction

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1. A.
   chromic anhydride
2. B.
   pyridinium chlorochromate
3. C.
   potassium permanganate
4. D.
   potassium dichromate

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