Day 91: MH HSC Class 12 Chemistry

1. A.
   $\mathrm{CH_3{-}CH_2{-}CH_2{-}CH_2{-}OH}$
2. B.
   $\mathrm{CH_3{-}CH(OH){-}CH_2{-}CH_3}$
3. C.
   $\mathrm{CH_3{-}CH_2{-}CH_2{-}CH_3}$
4. D.
   $\mathrm{CH_3{-}CH_2{-}CH_2{-}COOH}$

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1. A.
   Adenine
2. B.
   Guanine
3. C.
   Cytosine
4. D.
   Uracil

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1. A.
   $\left\lbrack \text{Fe}\left( \text{CO} \right)_{5}\text{NO} \right\rbrack^{2 +}$
2. B.
   $\left\lbrack \text{Fe}\left( \text{NH}_{3} \right)_{5}\text{NO} \right\rbrack^{2 +}$
3. C.
   $\left\lbrack \text{Fe}\left( \text{CH}_{3}\text{NH}_{2} \right)_{5}\text{NO} \right\rbrack^{2 +}$
4. D.
   $\left\lbrack \text{Fe}\left( \text{H}_{2}\text{O} \right)_{5}\text{NO} \right\rbrack^{2 +}$

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