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Select and write the correct alternative from the choices given below: An alkyl isocyanide on…

Chemistry20234 marksShort answer
Select and write the correct alternative from the choices given below:
(i)[1.0]
An alkyl isocyanide on complete reduction gives:
  • (a)Primary amine.
  • (b)Secondary amine.
  • (c)Tertiary amine.
  • (d)Carboxylic acid.
(ii)[1.0]
For a spontaneous reaction $E^\circ_{\text{cell}}$ and $\Delta G^\circ$ will be respectively:
  • (a)-ve and -ve
  • (b)-ve and +ve
  • (c)+ve and -ve
  • (d)+ve and +ve
(iii)[1.0]
Which of the following pairs of transition elements have exceptional electronic configuration?
  • (a)Sc and Cu
  • (b)Fe and Ni
  • (c)Cr and Cu
  • (d)Mn and Zn
(iv)[1.0]
For a first order reaction, when $100\text{ g}$ of the reactant is taken, $75\text{ g}$ of the reactant reacts in 8 minutes. If $200\text{ g}$ of the same reactant is taken, in how much time $150\text{ g}$ of the reactant will react?
  • (a)8 minutes
  • (b)16 minutes
  • (c)20 minutes
  • (d)24 minutes.

Answer

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Chemical KineticsCyanides and IsocyanidesElectrochemistryd-and f-Block Elements

From ISC 2023 Specimen Chemistry Paper 1, question 1(B).